You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Jack Baker here, can you help me searching flights from DEN to LGA to attend my seminar?

ASSISTANT: Please share your trip dates.

USER: My travelling dates are 12/18 and 12/20.

ASSISTANT: I found a direct flight for you, can I book?

USER: Proceed to booking that flight.

ASSISTANT: Your ticket is booked with flight number 1018 of AA airlines.

USER: Thank you for confirming my flight ticket.

ASSISTANT: Welcome, have a safe journey.