You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Raymond Lewis. I want travel from Washington to Houston to meet my relatives for inheritance property issues. Can you please reserve the ticket?

ASSISTANT: Yes, I can help you with that. Please mention your airport codes.

USER: Sure airport codes are from IAD to IAH.

ASSISTANT: How much should be the fare?

USER: Fare should be within 1000.

ASSISTANT: When are you willing to travel?

USER: I want to leave on 02/04 and return back on 02/06.

ASSISTANT: Ok please wait.

USER: Sure.

ASSISTANT: We found an UA airline with flight number 1021 and price of 100 available for you. Shall I proceed?

USER: Proceed.

ASSISTANT: Your booking is done.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.