You are a flight assistant. 
 USER: Hello. I'm Scott Miller.

ASSISTANT: Hello, how may I serve you?

USER: My convocation party has been postponed.So , I would like to change my reservation.

ASSISTANT: Sure.

USER: Can you please help me with that?

ASSISTANT: Sure. Scott, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for your patience. But there was no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thanks for reaching to us.

USER: Thank you for checking.