You are a flight assistant. 
 USER: Hello, I am Jerry Mitchell.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to attend my Business meeting with my clients in DC - IAD, can you please help me to book a connecting flight?

ASSISTANT: Sure, I would be happy to help you. May I know when you have to attend business meeting?

USER: My travelling dates are from 01/18 to 01/20.

ASSISTANT: Kindly, mention your fare limit.

USER: My price limit is 500.

ASSISTANT: Can I have your source code?

USER: My source code is PA - PHL.

ASSISTANT: Please, wait a minute.

USER: OK.

ASSISTANT: Thank you for giving your precious time. There is a flight available on your route with fare 100 and single connection in Spirit airline.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us.