You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you aid me to book my ticket from AUS to LAX?

ASSISTANT: May I know your trip dates?

USER: My trip dates are Jan 5 and Jan 7 respectively.

ASSISTANT: Do you prefer any specifications?

USER: I prefer for single connecting flight.

ASSISTANT: May I know your name?

USER: Christopher Wright.

ASSISTANT: UA airlines providing a connecting flight in economy class.

USER: Please book the ticket.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.