You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I am looking for a flight from SEA to DCA, can you help me in booking?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable travelling dates?

USER: Sure, my planned travel dates are Dec 06 and Dec 08.

ASSISTANT: May I know your name to book the flight ticket?

USER: Myself Donald Hill.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Are you ok with connecting flight?

USER: Yes, I'm fine with connecting flight.

ASSISTANT: Any other preferences do you have?

USER: no.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight available with a ticket price 200 and the connection is 1 with JetBlue airline. Would you like me to proceed with the booking?

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

ASSISTANT: Ok, your ticket booking has been processed.

USER: Thank you for the service.

ASSISTANT: Thank you for approaching us, hope you have a great journey.