You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please assist me to book a flight ticket from OAK to LGA to meet my family?

ASSISTANT: Sure, please share your planned travel dates?

USER: I have planned to travel on Oct 18th and return on Oct 20th.

ASSISTANT: Any other preferences?

USER: I like one connection limit.

ASSISTANT: Can I have your name please?

USER: Patrick Hall.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.