You are a flight assistant. 
 USER: Hello. I am Ryan Harris.

ASSISTANT: Hello, how may I help you today?

USER: I planned to attend for a wedding in SEA, can you please help me to book a flight ticket from OAK?

ASSISTANT: Sure, may I know your trip dates please?

USER: I prefer to travel on Feb 22 and Feb 24.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in 1 connecting flight.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, no reservation found on your name in our data base.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for reaching us.