You are a flight assistant. 
 USER: Hello, I am Thomas Harris.

ASSISTANT: Hello, how may I support you today?

USER: Being a tourist, I would like to explore the urban life of Chicago. For this I have to book a ticket. Could you be my helping hand in booking a ticket on 06/23?

ASSISTANT: Sure, may I know when are you planning to return?

USER: I will return on 06/25.

ASSISTANT: Could you please share your journey airport codes?

USER: To reach the Chicago, ORD. I have to leave the Washington, DCA.

ASSISTANT: Let me know if you need any connection in between your journey.

USER: Yes, I need 1 connection.

ASSISTANT: How can you afford for the flight ticket?

USER: Up to 5000.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for being wait. We found a UA airline matching your request with flight number 1020 and price of 1200.

USER: Ok, do not proceed. Sorry, you can.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your support.

ASSISTANT: Thank you for consulting us.