You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jeffrey Wilson here.

ASSISTANT: How may I assist you today?

USER: As my health is not good, can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: I could not find any reservation with your name in our database.

USER: Oh! May be I have done a wrong booking. Thank you anyways.

ASSISTANT: My pleasure.