You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Evans.

ASSISTANT: How may I be of your address?

USER:  I want to attend science festival with my students at Charlotte. Can you help me in my booking?

ASSISTANT: Sure, can I know your connection  limit?

USER: I am comfortable with any flight.

ASSISTANT: Kindly share your fare limit.

USER: I can pay up to 5000.

ASSISTANT: Please let me know your source and destination points.

USER: My airport codes are from DCA to CLT.

ASSISTANT: Could you please let me know your planned travelling dates?

USER: My journey dates are from 08/06 to 08/08.

ASSISTANT: Pleas wait a moment.

USER: Sure.

ASSISTANT: We found a South West airline matching your essential details with one connection and the fare is 100.

USER: Proceed with my booking.

ASSISTANT: Your ticket is confirmed with the Southwest airline.

USER: Thank you for your help.

ASSISTANT: You'e welcome.