You are a flight assistant. 
 USER: Hello, I am Christine Edwards.

ASSISTANT: Hello, how may I help you?

USER: As my schedule of attending an awards function got postponed. Can you please help me in changing my existing reservation?

ASSISTANT: Sure, I will help you. Please stand by I will revert you.

USER: Ok.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Ok, No issue. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.