You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you aid me to book a ticket from PHL to SFO?

ASSISTANT: Sure, I am gleeful to help you with that. May I know your travelling dates, please?

USER: My travel dates are Dec 6 and Dec 8 respectively.

ASSISTANT: Can I know your connection limit?

USER: Make sure that connection limit is single.

ASSISTANT: Do you have any  other specifications?

USER: No other specifications for me.

ASSISTANT: May I know your name please?

USER: Mark Scott here.

ASSISTANT: There is a connecting flight-1009 available in Southwest Airlines with a fare of 100. Shall I proceed with booking?

USER: Proceed for booking.

ASSISTANT: Mark Scot, your booking is done in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us, have a safe journey.