You are a flight assistant. 
 USER: Hello, I am Mark White.

ASSISTANT: Hello, How can I amend you the day?

USER: To participate in food festival and to know about new varieties, I want to book a flight to Austin, TX - AUS. Can you be my helping hand?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: What are your planned trip dates?

USER: My travelling dates are from 04/24 to 04/26.

ASSISTANT: How much you can afford for your ticket?

USER: I can afford up to 5000.

ASSISTANT: Help me with the origin airport?

USER: I would like to leave from New York, NY - LGA.

ASSISTANT: Thanks for the details, please wait.

USER: Ok.

ASSISTANT: Thanks for your patience. We found a Southwest airline with number 1016, for your journey. The airfare is 200, with a single halt.

USER: Please reserve my seat.

ASSISTANT: Mark, Your ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.