You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Linda Robinson. I am going for a round trip to Chicago to provide a seminar, so can you please help me with booking a connecting flight ticket?

ASSISTANT: Sure. Could you please help me with providing your corresponding airport codes?

USER: My airport code is ORD.

ASSISTANT: Can you please let me know your travelling dates?

USER: I will start my journey on 07/15 and return back on 07/17.

ASSISTANT: We found a Frontier airline, flight number:1007 and the price is 100. Can I reserved it?

USER: Fine, book it for me.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.