You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your service?

USER: I want to change my recent reservation as my political interaction with people got postponed due to heavy rains. Can you help me change my reservation which was made on the name of Justin King?

ASSISTANT: Sure, just a moment I will check the reservation list and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found by this name.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for approaching us.