You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help 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. Can you help me with that?

ASSISTANT: Ok, please mention your name to check your reservation status.

USER: I am Jason Adams.

ASSISTANT: Thanks for your response, there is no flight reserved on your name to cancel it.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for choosing us.