You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Robert Thomas. I want to book a flight ticket within a price limit of 200 to shoot a movie in Seattle.

ASSISTANT: Ok. Can you share me your travelling dates?

USER: My departure day is 12/14, return on 12/16.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are TX - AUS, WA - SEA.

ASSISTANT: Do you have any connection limit?

USER: Connection limit is one.

ASSISTANT: There is a flight 1023 in UA airline and price 200 with a connection. Shall I proceed?

USER: Yes, please.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you.