You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight from SFO to JFK?

ASSISTANT: Sure, can you share me your travel dates?

USER: My travel dates are Aug 05 to 07.

ASSISTANT: Do you have any connection limit?

USER: I prefer direct flight.

ASSISTANT: May I know your good name?

USER: I am Alexander Gonzalez.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.