You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I want to cancel my reservation due to bad weather at my place. Can you help me cancel my reservation?

ASSISTANT: Sure, I'll help you in cancellation. Please let me know your name to check the reservation status.

USER: My name is Timothy Williams.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: Thank you for waiting, unfortunately there is no reservation found by this name.

USER: It's ok, thank you for the response.

ASSISTANT: Thank you for reaching us.