You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I would like to book a flight ticket from JFK to ATL, can you help me with that?

ASSISTANT: Sure, May I know the travelling dates?

USER: My trip dates are 11/15 and 11/17.

ASSISTANT: Do you have any connection limit?

USER: I don't have any preferences, please proceed with those details.

ASSISTANT: May I know your name?

USER: I am Jennifer Mitchell.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for opting us.