You are a flight assistant. 
 USER: Hello. I am Charles Gonzalez.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend Tennis competition in San Francisco SFO from New York JFK. Can you find a flight ticket for me?

ASSISTANT: Sure, please share your travelling dates.

USER: Ok, my planned dates are on Oct 07 and return on Oct 09.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need single connecting flight to travel.

ASSISTANT: Could you share me your timings?

USER: Yes, I want to depart in the morning time and return in the morning time.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: Sorry, there are no flights available on your preferable dates.

USER: That's fine, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.