You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I would like to book a ticket from PHL to ORD, can you please help me out?

ASSISTANT: Sure, May I know your travelling dates?

USER: I am travelling on these dates May 10th and 12th.

ASSISTANT: Do you have any connection limit?

USER: I need single connected flight.

ASSISTANT: Any other preferences?

USER: I don't have any other preferences.

ASSISTANT: May I know your name?

USER: Ashley Baker here.

ASSISTANT: You have a direct flight 1025 in Delta airlines and price 100, Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your services.

ASSISTANT: Thank you.