You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from ORD to DCA?

ASSISTANT: Sure, when do you want to travel?

USER: I would like to fly on Aug 09 and return on Aug 11.

ASSISTANT: Ok, Do you prefer direct flight or connected flight?

USER: I need a single connection.

ASSISTANT: Ok, Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, Is there any other preferences?

USER: I don't have any other preferences.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1015 Frontier Airlines with a fare of 100. Can I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: May I know your name?

USER: Myself Charles Davis.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.