You are a flight assistant. 
 USER: Hello. I am Anthony Hall.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket from OAK to SEA, Can you please help me for booking with connecting flight?

ASSISTANT: Sure, may I know on which dates you want to travel?

USER: I would like to travel on 10/13 to 10/15.

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

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.