You are a flight assistant. 
 USER: Hello, I am Donna Anderson.

ASSISTANT: Hello. How may I assist you?

USER: Ghirardelli Square is a landmark for shopping world, so I want to go for shopping there. Can you book me a ticket from PHL to CLT?

ASSISTANT: Can you share your trip dates please?

USER: I would start on 12/02 and return on 12/04.

ASSISTANT: Do you have any price limit?

USER: Yes, my budget is 1000.

ASSISTANT: Do you have any other specifications?

USER: Yes, I prefer to travel in an economy class.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: UA airline is providing a ticket with a single halt, shall I proceed?

USER: Fine, please go ahead.

ASSISTANT: Your ticket has been confirmed with flight-1026.

USER: Thanks for your support.

ASSISTANT: Thanks for contacting  us.