You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Stephen  Lewis. I am planning to attend a Tennis competition in Oakland OAK from BOS. Can you find a flight ticket for me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Sure, I am planning to travel on these days that is on Nov 27 and return on Nov 29.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a single connecting flight.

ASSISTANT: Sorry, there are no flights with a single connection in this route.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.