You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Stephen Mitchell. I want to book a flight ticket to attend my nephew birthday in Phoenix, could you help me in booking a flight ticket?

ASSISTANT: Sure, I would be happy to help you. Can you please provide your take off and landing airport codes?

USER: My source is Atlanta, GA - ATL and destination code is AZ - PHX.

ASSISTANT: What are your planned trip dates?

USER: I would like to fly on 05/20 and return on 05/22.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found JetBlue airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with airline number 1005.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.