You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Dorothy Wilson.

ASSISTANT: Ok.

USER: Can you book a flight ticket from ORD to HOU?

ASSISTANT: Sure, may I know your budget for a flight ticket?

USER: My budget is 5000.

ASSISTANT: Could you please share your planned journey dates?

USER: My planned dates are from 04/26 to 04/28.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a connecting flight, flight number: 1014, price: 200.

USER: Ok, Proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.