You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I want to cancel my recent reservation, due to some personal problems. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: Yes, I am Matthew Wright.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry Matthew Wright, no reservation is available by your name.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.