You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket from IAD to LGA, so please help me in booking a flight ticket.

ASSISTANT: Sure, May I know your travelling dates?

USER: I want to fly on Feb 17 and return on Feb 19.

ASSISTANT: Ok, Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, Kindly mention your connection limit.

USER: I need a single connection.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1024 Frontier Airlines with a fare of 300. Can I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: May I know your name?

USER: Myself Nancy Lopez.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.