You are a flight assistant. 
 USER: Hello, I am Christine Lopez.

ASSISTANT: Hello, how can I help you?

USER: As I am doctor and I should go to Detroit, MI-DTW for an surgery. Can you help me in booking a ticket from Houston, TX-HOU?

ASSISTANT: Sure, Can you help me with your journey dates?

USER: <y journey dates are from 02/04 to 02/06. I need a connecting flight. My price limit is 200.

ASSISTANT: Sure, wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. A flight is found in airline AA having flight number 1000 with your given preferences. Shall I proceed with it?

USER: Ok, You can proceed. Share me the flight number.

ASSISTANT: Your ticket is confirmed in Flight number 1000.

USER: Ok, Thank you for booking.