You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to cancel my recent reservation, can you help me in that?

ASSISTANT: Sure, may I know your name?

USER: Sure, myself Helen Thomas.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thanks for reaching us.