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 LAS?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my travelling dates are from 10/25 to 10/27.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Myself Helen Evans.

ASSISTANT: You have a connecting flight 1005 in JetBlue airline and price 100, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.