You are a flight assistant. 
 USER: Hello. I am Donna Rodriguez.

ASSISTANT: Hello, how can I assist you for the day?

USER: Please book a flight ticket from Philadelphia, PHL to Los Angeles, LAX.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I want to travel on 09/29 and return back on 10/01.

ASSISTANT: Do you have any class preference?

USER: Yes, I prefer an economy class.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1020 JetBlue airlines with single connection with price 100. Shall I proceed with the booking?

USER: Proceed with the booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.