You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: Can you please change my reservation as the baby shower program which I want to attend got postponed?

ASSISTANT: Sure, I am here to assist you. Please mention your name to proceed further.

USER: Thank you for considering my request. You can check my reservation on the name of Jack Phillips.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There was no reservation found on your name.

USER: Ok, no worries. Thanks for your service.

ASSISTANT: Thank you for reaching us.