You are a flight assistant. 
 USER: Hello. I am Janet Davis.

ASSISTANT: Hello, how can I assist you?

USER: As my friend's marriage has been relocated to Boston, help me in changing my reservation.

ASSISTANT: Sure, please wait a moment.

USER: Sure.

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

USER: Not an issue, thank you for your support.

ASSISTANT: Thank you for choosing us.