You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Charles Hall.

ASSISTANT: How can I assist you today?

USER: I am planning to book a ticket from SEA to ORD. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, I am ready to help you. Please mention your travelling dates.

USER: I would like to travel on 03/11 and return back on 03/13.

ASSISTANT: Just give a moment.

USER: Sure.

ASSISTANT: The flight is found with Delta airline having one connection limit and airfare is 300. Shall I proceed with booking?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket has been booked with the flight number 1016.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.