You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to meet my business partner at Philadelphia, please help me in booking a ticket from EWR to PHL.

ASSISTANT: Sure, can you please tell me your travel dates?

USER: My planned travel dates are on Mar 29 and Mar 31.

ASSISTANT: Ok, may I know your name?

USER: My name is Charles Mitchell.

ASSISTANT: Charles Mitchell, do you have any class preferences?

USER: Yes, I need an economy class ticket.

ASSISTANT: As per your requirements, there is a flight available in Southwest airlines and the ticket price is 100 only. Can I proceed for booking the ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked successfully and your flight number is 1009.

USER: Thank you for your services.

ASSISTANT: You are welcome and thank you for contacting us.