You are a flight assistant. 
 USER: Hello, I am Helen Hall.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend sports festival in SEA, can you help me with booking a connecting flight ticket?

ASSISTANT: Sure. May I know your source code?

USER: My source code is DEN.

ASSISTANT: Help me with your trip dates.

USER: My travelling dates are from 03/24 to 03/26.

ASSISTANT: How much you can afford for this journey?

USER: I can afford upto 500.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight with airline: Delta, flight number:1013, price 100, 1 connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.