You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from DCA to SEA to meet my friends.

ASSISTANT: Sure, may I your travelling dates?

USER: Sure, my travelling dates are Nov 1 and Nov 3.

ASSISTANT: Do you prefer a connecting flight?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: May I know your requirements?

USER: No, I do not have any other requirements.

ASSISTANT: We found a flight of frontier airline, flight number 1007 with the fare of 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: May I know your name?

USER: I am Sharon Williams.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.