api: update reservation api

[saintube]

Signed-off-by: saintube saintube@foxmail.com

Ⅰ. Describe what this PR does

update reservation API

Ⅱ. Does this pull request fix one issue?

related to #188

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[saintube]

/assign @eahydra @hormes @jasonliu747 @allwmh

[codecov]

Codecov Report

Merging #384 (10e2a93) into main (dab5a92) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #384   +/-   ##
=======================================
  Coverage   66.50%   66.50%           
=======================================
  Files         116      116           
  Lines       11669    11669           
=======================================
  Hits         7760     7760           
  Misses       3308     3308           
  Partials      601      601           

Flag	Coverage Δ
unittests	66.50% <ø> (ø)

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[eahydra]

/lgtm

[jasonliu747]

/lgtm

[jasonliu747]

/lgtm

[hormes]

/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes, jasonliu747

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