You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: I want to cancel my recent reservation due to sudden rainfall at my source. Can you please help me with this?

ASSISTANT: Sure, may I know your good name please?

USER: I am Nancy Williams.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.