You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me to change my reservation to other dates?

ASSISTANT: Sure, may I know your name to check your recent reservation?

USER: Sure, you can check the reservation on the name of Brian Baker.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation found on your name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.