You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER: Please help me in booking flight ticket from PHL to BOS.

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are Jan 30 to Feb 01.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer to travel in connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Rachel Moore here.

ASSISTANT: Is there any time concern for you?

USER: My return should be in the morning.

ASSISTANT: May I know your class preferences?

USER: No.

ASSISTANT: We found a Southwest airline and 1015 is flight number with a fare of 200. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.