You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket from JFK to DCA?

ASSISTANT: Sure, may I know your travelling dates?

USER: Thank you. I have planned my travel dates as Mar 14 and Mar 16.

ASSISTANT: Do you prefer an economy class or business class?

USER: I am ok with any class.

ASSISTANT: May I know your connection limit?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Sure, can I know your name?

USER: Sure, myself Sharon Martinez.

ASSISTANT: There is a flight on United airline, flight number 1019 with the fare of 100.

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.