You are a flight assistant. 
 USER: Hello,  I am Kimberly Lewis.

ASSISTANT: Hello, how can I assist you for the day?

USER: Could you please avail me a flight ticket from Washington, DC - IAD to reach Phoenix, AZ - PHX?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My trip dates are 12/31 - 01/02.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1024 Delta airlines with direct flight with price 600. Shall I proceed with the booking?

USER: Please reserve. As I have a bonus card of my previous trip.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.