You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking from IAD to SEA, as there is a business meting to attend?

ASSISTANT: Sure, can I know your trip dates?

USER: My trip dates are Nov 11 to Nov 13.

ASSISTANT: May I know your connection limit?

USER: I am looking for a stopover flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a flight of Frontier airline, flight number 1028 with the fare of 200.

USER: You can book it.

ASSISTANT: May I know your name?

USER: I am Samuel Nelson.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.