You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Could you please book a flight ticket from SFO to IAD?

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

USER: I need a connecting flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are Oct 11 and Oct 13.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Alexander Jones.

ASSISTANT: Do you have any other restrictions to be met?

USER: No.

ASSISTANT: There is a connecting flight 1019 in Spirit airlines at the price of 100 with economy class. Can I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us .