You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, welcome to flight travel agency.

USER: Thank you, Charles Robinson here.

ASSISTANT: How can I assist you, Charles?

USER: I want to visit Seattle to meet my childhood friend there, so could you please help me out with booking?

ASSISTANT: Definitely, can you please provide me your from and to location airport codes?

USER: Sure, I want to travel from DCA to SEA.

ASSISTANT: May I know your travel dates, so that I will search for the flights on those dates only.

USER: My boarding is on 07/14 and I would like to book a return flight ticket also on 07/16.

ASSISTANT: Fine, please wait for few seconds, I will get back to you with flight details.

USER: Sure, take your time.

ASSISTANT: There is a flight available on those dates with very few vacancies, airline name is Hawaiian and ticket price is only 200. Shall I proceed for booking?

USER: If it is single connected flight, you can proceed for booking.

ASSISTANT: You will be having 1 connecting flight only, your ticket has been booked with flight-1003.

USER: I will appreciate your help, thank you for booking.

ASSISTANT: My pleasure, have a good time with your friend and thank you for choosing us.