You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Robert Thomas here. Can you please help me in booking a flight ticket from PHX to HOU?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Sure, my travel dates are from Apr 23 to Apr 25.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: Robert Thomas, there is a flight with 1 stop and price is 100. Can I proceed with it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with 1021 flight.

USER: Thank you for booking.

ASSISTANT: Thank you.