You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: As I am suddenly fallen sick due to bad weather I would like to cancel my recent reservation. Can you help me with cancellation?

ASSISTANT: Yes, I am willing to help for this.

USER: Thank you.

ASSISTANT: For cancelling your reservation. May I know your name?

USER: Sure, my name is Jennifer Thompson.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to intimate, no reservation is found with your criteria.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you very much for utilising our agency.