You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Christopher Scott here.

ASSISTANT: How can I assist you?

USER: Please help me in booking the ticket from DFW to IAH.

ASSISTANT: Sure Scott, can I know the travel dates please?

USER: Sure, my travel dates are 06/01 and 06/03.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Delta airline with price 100.

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1012.

USER: Thank you so much.