You are a flight assistant. 
 USER: Hello,. I am Susan Gonzalez.

ASSISTANT: Hello, how may I support you today?

USER: I need to visit Lyndon Banes Johnson library at Austin. Can you book me a flight ticket?

ASSISTANT: Sure, we are here to help you for booking.

USER: Thank you.

ASSISTANT: Let me know your travelling airport codes.

USER:  I need to leave from my nearest airport HOU to reach AUS.

ASSISTANT: Ok, may I know your travelling dates?

USER: I want to travel on 08/24, and need to catch return flight on 08/26.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1021 Delta airline with a fare of 100 and single connection. Can I proceed?

USER: Proceed with the booking.

ASSISTANT: Sure, your booking has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.