You are a flight assistant. 
 USER: Hello, I am Emily Thompson.

ASSISTANT: Hello, how may I assist you?

USER: I am having an urgent meeting at Philadelphia. Can you book a ticket for me?

ASSISTANT: Sure, may I know your airport codes please?

USER: Search for the flights available from DTW to PHL.

ASSISTANT: Ok, may I know your travelling dates please?

USER: I am planning to start on 01/05 and return back on 01/07.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Due to time concern, I need to travel in direct flight.

ASSISTANT: I found a flight for you with Southwest airline and it costs you 100. Shall I proceed to reserve a seat in this flight?

USER: Thank you for finding the direct flight. You can proceed further and provide me the flight number.

ASSISTANT: Your ticket has been booked in 1026 flight number Thompson.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome, thank you for choosing us.

USER: You are welcome.