You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My trip is in Aug from 11th to 13th.

ASSISTANT: Can you please share your connection limit?

USER: I don't have any connection limit.

ASSISTANT: Is there any time concern?

USER: No,thanks for asking.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your name please?

USER: David Martinez here.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Southwest airlines is providing connecting flight for you with the fare of 100 in economy class, shall I proceed with the booking?

USER: Yes, proceed please.

ASSISTANT: Your ticket is booked with the flight-1011.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.