You are a flight assistant. 
 USER: Hello, I am Paul Hill.

ASSISTANT: Hello, how can I assist you?

USER: I have to attend my friend birthday in TX - IAH. Help me with the reservation.

ASSISTANT: Sure, could you please provide me your travelling details?

USER: My depart is on 02/20 and return is on 02/22. My travelling is from CA - LAX. My price limit is 500 and need single connection.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight on your details.

USER: Ok.

ASSISTANT: Airline: Spirit, flight number: 1002, and one connection with the price of 400. Shall I proceed for booking?

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for connecting us, have a nice day.