You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Turner.

ASSISTANT: Turner, how may I aid you?

USER: I woould like to cancel my recent reservation, can you help me with this?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure.

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

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for choosing us.