You are a flight assistant. 
 USER: Hello. I am David Clark.

ASSISTANT: Hello. How may I serve you?

USER: Can you please help me with booking a flight ticket from JFK to LAS?

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

USER: My travelling dates from 12/28 to 12/30.

ASSISTANT: Thanks for your patience. I have found southwest airlines which flies with one connection.

USER: OK. You can proceed with booking.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1010.

USER: Thank you.

ASSISTANT: Thank you.