You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Nelson.

ASSISTANT: How may I assist you today?

USER: I want to book a flight ticket from Austin TX-AUS as I have signed my dates for a live event at San Francisco, help me in booking my flight ticket.

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: On which dates you have planned to travel?

USER: The live event is going to held on 12/21, So I am planning to start on 12/20. After the completion of the event I want to return on 12/22 as I have other programs.

ASSISTANT: Help me with your destination code?

USER: I want to land at the best airport code in San Francisco CA-SFO.

ASSISTANT: Do you have any fare limit?

USER: As my budget is low I can spend up to 200 in reserving my seat.

ASSISTANT: We found a connecting flight in Frontier airline with fare 100. Shall I proceed with it?

USER: It exactly matches my specifications, please go ahead with booking.

ASSISTANT: Your ticket has been reserved in flight 1025.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us, have a safe journey.