You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking my flight ticket from ORD to PHL?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned travel dates are Nov 11-13.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is William Scott.

ASSISTANT: You have a connecting flight 1020 in United airline and price 200, Shall I proceed?

USER: Ok, please go ahead.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.