You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please book me a flight ticket from SFO to AUS?

ASSISTANT: Sure, can you please share your travelling dates?

USER: I would like to depart on July 13 and intend to return on July 15.

ASSISTANT: Do you have any class preference?

USER: I am comfortable to travel in any class.

ASSISTANT: Is there any other requirements?

USER: Yes, I want to return in the morning flight.

ASSISTANT: May I know your name?

USER: I am Betty Lewis.

ASSISTANT: We found a American airlines with single connection and flight number is 1025.

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed and your return time is 9 hours.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.