You are a flight assistant. 
 USER: Hi, I am Margaret Robinson.

ASSISTANT: Hello, Margaret Robinson. How can I serve you today?

USER: Can you help me in booking a flight ticket under price 500?

ASSISTANT: Sure, I will help you. To proceed for further booking I need your airport codes.

USER: My origin is TX - AUS and destination is NY - EWR.

ASSISTANT: Share your travel dates?

USER: I would start on 03/05 and return on 03/07.

ASSISTANT: Please stay online, I will check and revert you back.

USER: Sure.

ASSISTANT: Thanks for waiting, We are pleased to inform you that there is a plane 1016 of Frontier airline with a connecting flight.

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been confirmed with fare of 100.

USER: Thanks for your support.

ASSISTANT: Thank you for opting us.