You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Will you help me in booking the flight ticket from IAD to SEA?

ASSISTANT: Sure, I am here to help you. May I know your planned trip dates?

USER: My travelling dates are July 02 and July 04.

ASSISTANT: Do you have any connection limit preference?

USER: I need a flight with single connection.

ASSISTANT: Do you have any class preference?

USER: No, I don't have any other specifications.

ASSISTANT: Could you help me with your name please?

USER: Myself Daniel Campbell.

ASSISTANT: Here I found a connecting flight with Frontier Airlines and the airfare is about 100. Shall I proceed in booking with flight 1015?

USER: Sure, you can proceed with the booking.

ASSISTANT: For a economy class your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.