You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning for a trip from ORD to PHX, to meet my friend.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Ok, my planned dates are from July 16 to 18.

ASSISTANT: Can I have your name please?

USER: Sure, I am Margaret Miller.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: I found an economy class in Delta airlines with fare 200 and it has single connection. Can I book your ticket?

USER: Confirm it.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us.