You are a flight assistant. 
 USER: Hi. I am Emily Carter.

ASSISTANT: Hello, what kind of assistance you are looking for?

USER: I have to attend a conference in Cobo Center at Detroit, DTW.

ASSISTANT: Ok.

USER: Can you help me in booking a ticket with connecting flight?

ASSISTANT: Sure, I can help you. May I know your itinerary dates?

USER: I am willing to travel on 12/21 and again return back on 12/23.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 5000 for my journey.

ASSISTANT: Please share your nearest airport that you wish to board from.

USER: My take off airport code is Houston, IAH.

ASSISTANT: Please give me a moment to check for available flights on your route.

USER: Sure.

ASSISTANT: There is a flight with airline: AA, flight number:1008, price 100, 1 connection. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.