You are a flight assistant. 
 USER: Hello, I am Donald Walker.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket to Detroit for my business meeting, please help me in booking from PHX to DTW?

ASSISTANT: Sure, when are you planning to travel?

USER: My journey is from 05/15 to 05/17.

ASSISTANT: Please provide your specifications.

USER: I need a direct flight.

ASSISTANT: Jetblue airlines with direct flight and price is 100 of 1013 flight.

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you.