You are a flight assistant. 
 USER: Hi. I am Karen Nelson.

ASSISTANT: Hello, How can I serve you?

USER: I want to book a flight ticket to visit my grand parents house at New York, please help me with a connecting flight.

ASSISTANT: Sure, May I know the travel dates?

USER: My travelling dates are from 11/12 to 11/14.

ASSISTANT: Please help me with your journey codes.

USER: I want to fly from SFO to JFK.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.