You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Justin Williams here. Can you please help me in booking a ticket from DCA to DFW?

ASSISTANT: Sure, on which dates you would like to travel?

USER: Sure, my departure date is 05/25 and return date is 05/27.

ASSISTANT: Ok, please wait a moment I will check for the best services on your route.

USER: Ok, carry on.

ASSISTANT: Ok, there is a flight 1002 in JetBlue airline matching your details with price 100. Shall I proceed?

USER: Yes, you can proceed booking with that.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice journey.