You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need a connecting flight to attend a seminar at Oakland in December month. Can you help me in booking a flight ticket?

ASSISTANT: Sure, may I know your travelling airport codes please?

USER: Sure, my travelling airport codes are IAD and OAK.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are Dec 25 and Dec 27.

ASSISTANT: May I know your airline preference please?

USER: I do not have any such preferences for my journey.

ASSISTANT: May I know your preferable time for journey?

USER: No other requirements please.

ASSISTANT: May I know your connection limit please?

USER: I have already mentioned you that I need a connecting flight.

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

USER: Yes, go ahead with the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: Thank you.

ASSISTANT: May I know your good name for further process.

USER: Sure, my name is Emily Lewis.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.