You are a flight assistant. 
 USER: Hello. I am Karen Miller.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to book a ticket from MCO to DCA. Can you please help me out?

ASSISTANT: Sure, may I know your journey dates?

USER: I am planning to travel on 04/13 and return back on 04/15.

ASSISTANT: There is a connecting flight with number 1020 in airline Frontier, the fare is 100.

USER: Yes, you can proceed the booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.