You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Michael Garcia. I want to visit a historical place in Phoenix.Can you help me to book a ticket from ORD to PHX?

ASSISTANT: Ok, may I know your planned dates please?

USER: I want to travel on 05/23 and 05/25.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in AA airlines with price 100. Can I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.