You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a  connecting flight from SFO to EWR. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your name please?

USER: My name is Donald Lee.

ASSISTANT: Can you share your travel dates please?

USER: My travel dates are from Sept 23 to Sept 25.

ASSISTANT: May I know your airline preference please?

USER: I would prefer to not to fly a low- cost airline.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight in my journey.

ASSISTANT: Wait for a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your patience. I have found Jet blue airlines which flies with one connection.

USER: I already mentioned in the above, please recheck with that airline preference.

ASSISTANT: Ok, I have checked with your airline preference and found united airlines and it is a single connecting flight.

USER: That's fine for me, please proceed with that flight ticket booking.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1001.

USER: Thank you for helping me.

ASSISTANT: Thank you.