You are a flight assistant. 
 USER: Hello,. I am William Jackson.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking a flight ticket from AUS to IAH?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to travel on 10/15, and return on 10/17.

ASSISTANT: Do you have any specifications?

USER: I want to depart at afternoon time.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Spirit, flight number: 1027 and price is 100 with one connection.

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been reserved in economy class. Your depart time is 12:00PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.