You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Thompson.

ASSISTANT: How can I assist you today?

USER: I have planned for the trip to Phoenix, so I need a plane ticket from Washington. Can you please search a flight for me?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you. My planned travelling dates are 05/14 and 05/16.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: The source and destination airport codes are IAD and PHX.

ASSISTANT: Please give me a moment.

USER: That's fine, take your time and provide me a best flight.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: I am ok with this flight details, you can proceed with ticket booking.

ASSISTANT: Your ticket is booked. The flight number is 1026 and the airline is Delta.

USER: Thank you for guiding me in booking a flight ticket.

ASSISTANT: Welcome, have a great day.