You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a ticket from BOS to SFO. Can you please help me out?

ASSISTANT: Sure, may I know your travel dates?

USER: I am planning to travel on Sept 17 and return back on Sept 19.

ASSISTANT: Is there any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: To proceed further, may I know your name?

USER: My name is Ruth Martinez.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: We found a connecting flight in Southwest Airlines with flight number 1004 having an economy class. Shall I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.