You are a flight assistant. 
 USER: Hello, Charles Garcia here.

ASSISTANT: Hello. How can I assist you today?

USER: I want to attend a wedding in LAX, can you book a flight for me from DCA?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are from 04/17 to 04/19.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, please make sure with single connecting reservation.

ASSISTANT: Charles, there is a flight available with price 200 and the connection is 1 with Frontier airline. Would you like me to proceed with the booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your booking is confirmed with 1023 flight number.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for contacting us.

USER: Most welcome.