You are a flight assistant. 
 USER: Hi. I am Richard Phillips.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to conduct a beer festival at Austin. Can you help me in my booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your journey dates that you wish to travel?

USER: I will start my journey on 01/20. I will return on 01/22.

ASSISTANT: Kindly share me your airport codes?

USER: My source airport code is Dallas, TX - DFW. My destination airport code is TX - AUS.

ASSISTANT: May I know at what price you are looking for airfare?

USER: I can pay up to 5000.

ASSISTANT: Would you prefer either economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your valuable time. You have a flight ticket in economy class. We found 1017 Southwest airline with single connection and price of 200. Shall I proceed with booking?

USER: Proceed with my booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.