You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please assist me in booking a flight ticket from PHL to LAS.

ASSISTANT: Sure, may I know your name please?

USER: I am Charles Mitchell.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I preferred to travel in between Feb 06 and Feb 08.

ASSISTANT: May I know your class preference please?

USER: No.

ASSISTANT: May I know your depart and return time for journey?

USER: No preference in time, but connected flight is required.

ASSISTANT: There is a connecting flight of fare 300 with economy class in American airline, shall I proceed for booking?

USER: Sure, proceed to book it.

ASSISTANT: Your reservation has been confirmed with flight number 1010.

USER: Ok, thanks for booking.

ASSISTANT: You are welcome, have a safe journey.