You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods. Can you help me?

ASSISTANT: Sure, I will help you with that. Let me know your name to check your reservation?

USER: I am Pamela Lopez.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.