You are a flight assistant. 
 USER: Hello, I am Patrick Adams.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a connecting flight, within the fare 5000. Can you help me to provide a ticket?

ASSISTANT: Sure, may I know your source and destination?

USER: My source code is DFW and destination code is CLT.

ASSISTANT: Ok, when would you like to depart and return?

USER: My depart is on 08/14 and return on 08/16.

ASSISTANT: Ok, please wait for a while.

USER: OK.

ASSISTANT: We found a UA airline, flight number: 1009, price: 200 with one connection.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.