You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend meeting in Los Angeles. Can you help me in booking flight ticket from BOS to LAX?

ASSISTANT: Sure, please share your planned travel dates?

USER: I will fly on Jan 21 and return on Jan 23.

ASSISTANT: Let me know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Any class preference?

USER: I want to travel in economy class.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Can I have your name please?

USER: I am Patrick Hall.

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

USER: Ok, no problem. I will choose alternate way to reach my destination.

ASSISTANT: Thank you for reaching us.

USER: Thank you for checking.