You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Gary Phillips. I have planned for the trip to Austin, AUS which is a round trip. Can you please search a flight?

ASSISTANT: Sure, could you please tell me your source code?

USER: This is a round trip, so the source and destination codes are same, that is AUS.

ASSISTANT: Ok, may I know your travelling dates?

USER: The trip dates should be 06/06 and 06/08.

ASSISTANT: The UA airline with flight number 1028 is available having price as 100 and connection as 1.

USER: Yes, please proceed with booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank's a lot for helping me.

ASSISTANT: My pleasure.