You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me with booking a flight reservation from AUS to HOU please?

ASSISTANT: Let me know your name.

USER: I am Samuel Turner.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are from June 4 to June 6.

ASSISTANT: Do you have any preference?

USER: I will depart in afternoon.

ASSISTANT: Is there any connection limit?

USER: I need 1 connecting flight.

ASSISTANT: Found ticket with United airlines for price 200 having flight number 1000.

USER: Please book it.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.

USER: Welcome.