You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Eric Evans here.

ASSISTANT: Is there any help that you are expecting from my side?

USER: I want to book a flight from DCA to DFW, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am oblige to help you and can you please mention your travelling dates for better searching?

USER: Sure, my travelling dates are from 03/31 to 04/02.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: I have found a flight in economy class with a ticket fare of 100 and there is a 1 halt in between your journey, can I confirm your flight ticket booking?

USER: Ok, please proceed with booking.

ASSISTANT: Evans, your flight ticket booking is done in Delta airlines with a flight-1004,. Have a happy journey.

USER: Thank you for your service.

ASSISTANT: You are most welcome and thank you for consulting our agency.