You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket to attend for a client meeting at Philadelphia, PA - PHL. Can you please make a reservation on the name of Amy Walker?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my travelling dates are 01/27 and 01/29.

ASSISTANT: Help me with your source point?

USER: My source is Denver, CO - DEN.

ASSISTANT: Do you have any preferences?

USER: Yes, my price limit is 200.

ASSISTANT: We found a connecting flight Southwest with flight number 1001 and fare is 200. Shall I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you.