You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Please reserve me a flight ticket from LAX to SFO.

ASSISTANT: Let me know your travel dates.

USER: My travel dates are Oct 27 and Oct 29.

ASSISTANT: Is there any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Can I know your name?

USER: I am Jessica Wilson.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.