You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Taylor.

ASSISTANT: How can I aid you today?

USER: I am planning to visit San Francisco to attend a wedding ceremony, can you please book me a ticket from AUS to SFO?

ASSISTANT: Sure, I'll help you with that. May I know your preferable dates to do journey?

USER: My preferable journey dates are from 06/11 to 06/13.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: AA airlines is having a flight on that region with travel charge of 100, shall I proceed for booking?

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket has been booked with flight-1010, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.