You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Emma Smith here.

ASSISTANT: How can I help you at this moment?

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

ASSISTANT: Sure, I will help you with that. Please wait a moment, I will check your reservation status.

USER: Ok, take your time.

ASSISTANT: There is no previous reservation available under your name.

USER: That's ok, thank you for informing.

ASSISTANT: Thank you for reaching us, have a nice day.