You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a ticket from IAD to CLT? As I'm planning to visit Charlotte.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: Sure, my name is Alexander Carter.

ASSISTANT: May I know your travelling dates?

USER: Sure, my planned departure and return travel dates are 8th and 10th of March.

ASSISTANT: Let me know your airlines preferences.

USER: I'm ok with any airlines.

ASSISTANT: Any other specifications to be met?

USER: I prefer economy class and I need single connected flight.

ASSISTANT: There is a connecting flight-1009 in economy class, is it fine for you?

USER: That's fine, you can proceed for booking.

ASSISTANT: Booking is done on Hawaiian airlines.

USER: Thank you so much for your help.

ASSISTANT: Thanks for choosing us.