You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Welcome to Global travel agency, how can I assist you?

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: Sad to hear, can you provide your name to cancel the reservation?

USER: Myself Janet Roberts.

ASSISTANT: Hold on a moment please.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found with the name of Janet Roberts.

USER: No problem.

ASSISTANT: Thank you and have a great day.

USER: Thank you for checking.