You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Timothy Young.

ASSISTANT: How can I assist you?

USER: I would like to book a ticket from DFW to DCA, can you help me?

ASSISTANT: Ok, I am here to help you with that. Meanwhile may I know your travelling dates?

USER: My travel dates are 12/11 and 12/13.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Here is a flight ticket with fare 100 and 1029 as flight number and ticket is provided by Spirit airline. Shall I proceed for booking?

USER: You can book it.

ASSISTANT: Ok, your ticket is confirmed successfully.

USER: Thank you for booking.

ASSISTANT: Most welcome.