You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Sarah Hall, want to travel from PHX to DFW. Please help me in booking my ticket.

ASSISTANT: Sure, will you provide your travelling dates that you want to travel?

USER: Sure, my travelling dates are from 09/19 to 09/21.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: As per your request, there is a flight with price 100 and the connections 1 is available.

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket is booked.The flight number is 1022.

USER: Thank you.

ASSISTANT: Welcome, have a great day.