You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Eric Smith here. I want to attend my convocation ceremony, so please book my ticket from JFK to DEN.

ASSISTANT: Sure, we are perky to help you. Do you prefer any halt in between your journey?

USER: My itinerary dates are June 21 and June 23.

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

USER: I need a connecting flight.

ASSISTANT: We found 1019 Southwest airlines with single connection with economy class. Shall I proceed with the booking?

USER: Please book my ticket.

ASSISTANT: Your ticket has been reserved with price 200.

USER: Thank you.

ASSISTANT: Thank you for choosing us.