You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I have to attend a cultural event at Boston, can you help me to book a flight ticket from SFO to BOS?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, when are you planning your trip?

USER: I want to take off on 25 July and return on 27 July.

ASSISTANT: Any other requirement to be met?

USER: No.

ASSISTANT: Ok, can you mention your name please?

USER: I am Margaret Campbell.

ASSISTANT: Spirit Airlines has a connecting flight with number 1011 for fare 200, shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your booking i reserved in economy class.

USER: Thanks for helping me.