You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nancy Walker here.

ASSISTANT: How can I aid you?

USER: Due to bad weather, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure. Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time.

USER: Not an issue, thank you.

ASSISTANT: We didnt found any reservation  by this name.

USER: Not an issue, thank you.

ASSISTANT: Thank you.