You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please book a flight ticket from CLT to PHL.

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I want to take off on Mar, 17 and return back on Mar, 19.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and it is a direct flight.

USER: Please proceed for further.

ASSISTANT: Can I know your name for booking?

USER: Emma Mitchell.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.

USER: May I know the flight number and airlines?

ASSISTANT: Flight number is 1026 of Southwest airlines.

USER: Thank you.