You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I am Mary Turner. I planned to attend for a meeting in DCA, can you please help me to book a flight ticket from PHL?

ASSISTANT: Sure, I am here to help you. When would you like me to book your flight ticket?

USER: I prefer to travel on Sep 30 and Oct 02.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in 1 connecting flight in economy class.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with price 100 and single connection in Southwest airline. May I reserve it?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been confirmed in economy class with flight number 1016.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.