You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Melissa Phillips. I wan to visit my friend.Could you please help me for booking a ticket?

ASSISTANT: Sure, May I know your travelling dates and airport codes?

USER: My origin airport code is AZ-PHX and destination airport code is DC-DCA. My departure date is 01/24 and return date is 01/26.

ASSISTANT: Sure, give me a minute?

USER: Make sure my price limit is 500 and the connections limit is 1.

ASSISTANT: I found a ticket for you.The price is 200 and flight number is 1020. It is matching your requirement, can I proceed.

USER: Please proceed for booking.

ASSISTANT: I confirm your ticket successfully.

USER: Thank you for the information.

ASSISTANT: Thank you for contacting us.