You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sarah Martin.

ASSISTANT: How can I help you Sarah Martin.

USER: Could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation found on your name.

USER: That's ok. Thank you for the information.

ASSISTANT: You are welcome Sarah Martin.