You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Myself Alexander Nelson, will you help me in booking the flight ticket from IAH to PHX?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are Aug 19 and Aug 21.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a flight with single connection which return in morning time.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Ok, take your own time.

ASSISTANT: I found a flight for you with Southwest Airlines and it costs you 100. Shall I proceed to reserve a seat in this economy class?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been booked with 1004 flight number.

USER: Thank you for helping me.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.