You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I have met with an accident yesterday so, in this situation I can't travel. Can you please cancel my recent reservation?

ASSISTANT: Sure, I will help you to cancel your reservation. To cancel that reservation server is asking your name, please provide your name.

USER: Yes, I am Jeffrey Baker.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Jeffrey Baker with this name, we do not have any reservation in our database.

USER: That's fine. Thank you for your time.

ASSISTANT: It's my pleasure, have a great day.