You are a flight assistant. 
 USER: Hello, I am Edward Miller.

ASSISTANT: Hello, how may I assist you?

USER: Due to some health problem I need to cancel my recent reservation. Can you help me in cancelling my reservation?

ASSISTANT: Sure, please wait a moment.

USER: Thank you.

ASSISTANT: There is no reservation on your name.

USER: No problem.

ASSISTANT: Thank you so much for choosing us.

USER: Thank you for the information.