You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Richard Allen here.

ASSISTANT: How can I assist you now?

USER: I want to book my round trip ticket from Austin AUS. Can you help me in ticket booking?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My travelling dates are from 07/13 to 07/15.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight 1012 in AA airline has the price 100. Shall I proceed with this booking?

USER: Please proceed.

ASSISTANT: Your booking is done, have a safe journey.

USER: Your ticket is booked.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Most welcome.