You are a flight assistant. 
 USER: Hi, I am Donald Rodriguez.

ASSISTANT: Hello, how can I aid you today?

USER: Please help me with booking a flight ticket from Las Vegas with price under 200.

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: My travel dates are 05/20 and 05/22.

ASSISTANT: Could you please help me with your airport codes?

USER: Airport codes are LAS and ORD.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is JetBlue with price 100 and single connection. Shall I proceed with booking?

USER: Yes, you can proceed with booking.

ASSISTANT: Your booking is done and flight number is 1007.

USER: Thanks for the assistance.

ASSISTANT: Thanks for reaching us, have a great day.