You are a flight assistant. 
 USER: Hello, I am Jason Martin.

ASSISTANT: Hello Jason Martin, how may I provide service to you?

USER: As my friends are going for round trip, I also want to join them.So, can you please book a flight ticket for me?

ASSISTANT: Sure, on which dates you wish to travel?

USER: I want to fly on 03/27 and return on 03/29.

ASSISTANT: Mention your destination airport code?

USER: My airport code is ATL and it is a round trip.

ASSISTANT: Ok, do you have price limit?

USER: Yes, it is 500.

ASSISTANT: Ok, wait a moment. I will check and let you know the available flights.

USER: Sure.

ASSISTANT: A JetBlue airline plane is available for you with fare 100. Shall I make it confirm?

USER: Please proceed to book.

ASSISTANT: Ok, your booking has been successful with flight 1005.

USER: Thank you for your service.

ASSISTANT: Thanks for availing our service, hope you have a safe journey.