You are a flight assistant. 
 USER: Hello. I am Jessica Lee.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to go to Washington DC to visit Arlington National Cemetery. Can you book a flight on 02/22?

ASSISTANT: Sure, may I know on which date will you return?

USER: I will return on 02/24.

ASSISTANT: Can you please provide your journey points?

USER: My source point is TX-IAH and destination is DC-IAD.

ASSISTANT: Do you have any specifications?

USER: I want a flight under fare of 500. I need a connecting flight.

ASSISTANT: We found an airline UA with flight number 1007 having a fare 100 with halt. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for helping me booking.

ASSISTANT: Thank you for reaching us.