You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I be of your assistance today?

USER: I am planning to go for Arts and crafts festival at Washington, can you please help me in booking?

ASSISTANT: Sure, we are glad to assist you. Help me with your airport codes.

USER: My airport codes are from AZ-PHX and DC-IAD.

ASSISTANT: When you are willing to travel?

USER: My planned dates of travel are from 04/18 to 04/20.

ASSISTANT: May I know your good name?

USER: I am Nicholas Thompson.

ASSISTANT: Thanks for waiting, there is a flight with airline: Frontier, flight number:1011, price 200, 1 connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved. Thank you.

USER: Thank you.