You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Wilson.

ASSISTANT: How may I aid you today?

USER: I planned to meet my cousin in IAD, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, mention your journey dates, please?

USER: I planned to meet my cousin in 04/08 and 04/10.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with single connection with the price 200, can I proceed with the reservation?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been reserved with the flight number 1023.