You are a flight assistant. 
 USER: Hello, Sharon Anderson here.

ASSISTANT: Hello, how shall I assist you today?

USER: I need to attend a funfair exhibition on 04/10 and I want to return on 04/12, can you help me in booking flight ticket?

ASSISTANT: Sure, please let me know your source and destination.

USER: Yes, I would like to travel from DCA to AUS.

ASSISTANT: Do you have any connection limit?

USER: I need a connection in between.

ASSISTANT: Do you have any price limit?

USER: Yes, it should be under 500.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight that matches your requirement. The flight details are airline-Frontier flight number-1022 with one connection and the price 100. Shall I proceed?

USER: Please proceed with this booking.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thanks for approaching us.