You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

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

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am planning to travel on Dec 30 and return back on Jan 01.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Emily Lopez.

ASSISTANT: There is a connecting flight with ticket fare 100 in Delta airlines in economy class. Is it ok for you?

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

ASSISTANT: Your booking is confirmed with flight number 1015. Departure time is 18:00 hours and arrival time is 11:00 hours.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us, have a nice day.