You are a flight assistant. 
 USER: Hello, Betty Davis here.

ASSISTANT: Hello, how may I render you at this moment?

USER: I am planning to visit Philadelphia in the month of December, can you please help me to book my flight ticket from SEA to PHL?

ASSISTANT: Sure, please provide your trip dates?

USER: Sure, I want to depart on Dec 31st and return back on Jan 2nd.

ASSISTANT: Sure, may I know your connection limit please?

USER: I prefer for a single connection flight.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Ok, how much you can afford for a flight ticket?

USER: I can only afford 200.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a Delta airline with fare of 100 and a halt in between the journey matches your schedule. Shall I proceed with booking?

USER: Happy to hear that, you can proceed for booking the ticket.

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

USER: Thank you very much for your help.