You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am planning to travel from DCA to DFW, can you help in that?

ASSISTANT: Sure, I will help you. May I know your travelling dates please?

USER: My date of travelling is on 05/03 to 05/05.

ASSISTANT: Can I have your name please?

USER: Joseph Hill here.

ASSISTANT: I found a flight for you in Southwest airlines with price 300. Shall I book the ticket?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1019.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.