You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: Could you help me in booking a flight ticket from DEN to LGA?

ASSISTANT: Mention the dates please.

USER: Yes, my travelling dates are 02/16 to 02/18.

ASSISTANT: There is a flight with fare 100 connection is single.

USER: Yes,you can proceed with the booking.

ASSISTANT: May I know your name?

USER: Yes, my name is Gregory lee.

ASSISTANT: Your flight number is 1019 with airline:Southwest. Have a safe journey.

USER: OK,thank you.