You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Elizabeth Robinson here.

ASSISTANT: Elizabeth, how can I assist you?

USER: As my visiting location is fully destroyed by floods, I want to postpone my trip dates. Can you please help me out in that?

ASSISTANT: Sure, I can help you in changing your reservation. Please wait, I have to check your reservation status first.

USER: Sure, I'll be on hold. Please carry on.

ASSISTANT: Elizabeth, I have not found any reservation under you name.

USER: Oh! May be I have done a wrong booking. Thank you anyways.

ASSISTANT: You are welcome and thank you for contacting us. Have a blessed day.