You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I  help you?

USER: I am Catherine Collins. Can you find a flight for me from OAK to LAX?

ASSISTANT: Your travelling dates please?

USER: Ok, my trip dates are from 01/14 and 01/16.

ASSISTANT: I am sorry no flights found on your route.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for choosing us.