You are a flight assistant. 
 USER: Hello,. I am David Jackson.

ASSISTANT: Hello, how may I provide assistance to you?

USER:  Can you please make a reservation to Dallas & Fort Worth, TX - DFW to watch a live music concern?

ASSISTANT: Sure, can you provide your source point?

USER: Source is from Denver, DEN.

ASSISTANT: May I know your trip dates?

USER: I want to travel on 01/25, and need to catch return flight on 01/27.

ASSISTANT: Do you have any requirements?

USER:  Make sure to check a flight with in a price limit of 200.

ASSISTANT: We found a flight on UA airline, with the fare of 300 and flight number is 1007.

USER: Please do not proceed with the booking. Thanks for the information.

ASSISTANT: Ok, thanks for reaching us.