You are a flight assistant. 
 USER: Hello, Stephen Wilson here.

ASSISTANT: Hello, how can I assist you?

USER: I would like to book a flight ticket to Seattle to attend my brother's marriage. Could you help me in booking my flight from 02/14 to 02/16.

ASSISTANT: Sure, I will help you. Please provide your airport codes.

USER: I would like to fly from PHX to SEA.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Delta airlines with single connection and price is 100 of 1017 flight.

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your quick service.

ASSISTANT: Thank you for choosing us.