You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Margret Thompson. Can you help me in booking me a direct flight?

ASSISTANT: Sure, May I know your trip dates?

USER: 05/14 - 05/16 are my trip dates.

ASSISTANT: Please share me your airport codes?

USER: Las Vegas, LAS is boarding airport. Dallas, DFW is my destination airport.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1014. Shall I proceed for booking?

USER: Proceed with booking, If it is a direct flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Thanks for choosing us.