You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Catherine Phillips here. I want to travel from CA-LAX on 05/17, to meet my friends. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you please provide your destination airport codes?

USER: My destination airport code is MI-DTW.

ASSISTANT: Can you please share your return dates?

USER: My departure date is 03/17 and return date is 03/19.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Ok, take your time.

ASSISTANT: I found a flight with flight number 1009 with price 100, would you like me to proceed with the booking?

USER: Please proceed for booking the ticket.

ASSISTANT: Your booking is confirmed with Delta airlines.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.