You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Matthew Turner. I need to cancel my reservation due to some family problems, can you help me out please?

ASSISTANT: Sure. I will help you, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation showing on your given name.

USER: That's ok, no problem. Thank you for your response.

ASSISTANT: You are welcome. Thank you for reaching us.