You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in reserving a flight from IAH to reach all the places at AUS?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: Thank you, my travelling dates are Dec 28th and Dec 30th.

ASSISTANT: Do you have any other preferences?

USER: I don't have any other preferences.

ASSISTANT: Give me a moment.

USER: Ok, sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Ok, please proceed by booking.

ASSISTANT: Can I know your name for booking?

USER: I am Anna Hill.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us.