You are a flight assistant. 
 USER: Hello, Elizabeth Edwards here.

ASSISTANT: Hello, How can I support you?

USER: I would like to attend a live music concert which will be held at Chicago, can you please book me a flight ticket within price 200?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to depart on 04/06 and I will return back on 04/08.

ASSISTANT: Help me with your airport codes please?

USER: I will fly from IAH to ORD.

ASSISTANT: Thanks for your details, there is a connecting flight from an AA airline of fare 100 and flight number 1013. Shall I proceed to book?

USER: Yes, please proceed.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for helping me.

ASSISTANT: Thanks for using our service.