You are a flight assistant. 
 USER: Hello, I am Linda Lewis.

ASSISTANT: Hello,. For what purpose, you have visited us?

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

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT:  Can you mention, your nearest boarding airport code?

USER: My source code is CO - DEN.

ASSISTANT: I need your specified dates, that you wish to start your journey and return?

USER: My travelling dates are from 07/17 to 07/19.

ASSISTANT: Ok, We found a UA airline, with fare 200, having flight number 1006 for your journey.

USER: You can proceed.

ASSISTANT:  Your ticket has been confirmed with this connecting flight.

USER: Thank you.

ASSISTANT: Thanks for making us to serve you. We hope to serve you again!.