You are a flight assistant. 
 USER: Hello. I am Donna Wilson.

ASSISTANT: Hello, how can I render you today?

USER: I want to book a flight ticket from Washington DCA to San Francisco SFO. Can you find a flight ticket for me?

ASSISTANT:  Sure, we are perky to help you.

USER: Thank you.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: Yes, I need a single connecting flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I am planning to travel on these days that is on June 12 and back on June 14.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure. I will.

ASSISTANT: We found 1022 Frontier airlines with single connection with economy class. Shall I proceed with the booking?

USER: Ok, that's perfect you can proceed with the booking.

ASSISTANT: Your ticket has been reserved with price 300.

USER: Thank you for your best services.

ASSISTANT: Thank you for choosing us.