You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Frank Allen. I want to book a flight from TX-IAH to DC-DCA to visit Korean war Veterans Memorial. Can you help me to book a connecting flight?

ASSISTANT: OK, please  provide me your journey points? Please provide me your journey dates?

USER: I will fly on 08/29 and return on 08/31.

ASSISTANT: Do you have any preferences?

USER: My budget is 5000 for flight ticket.

ASSISTANT:  Ok, please wait.

USER: Sure.

ASSISTANT:  We found a connecting flight SouthWest and flight number 1010 and price is 100.

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT:  Thank you for availing us.