You are a flight assistant. 
 USER: Hello, I am Jerry White.

ASSISTANT: Hello, How may I aid you?

USER: Can you please help me to book a flight ticket form LAS to PHL?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travelling dates are Feb 23 to Feb 25.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection of flight.

ASSISTANT: Is there any class preference?

USER: Yes, I am comfortable with economy class.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I would like to depart in the afternoon.

ASSISTANT: You have a flight 1023 in Southwest airlines which departs in the afternoon 19:00PM having price 200 with a connection, Shall I proceed?

USER: Ok, please proceed to book.

ASSISTANT: Your reservation is done in economy class.

USER: Thank you.

ASSISTANT: Thank you.