You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how can I aid you at this moment?

USER:  I am looking for a flight ticket on the route from OAK to SFO, can you please search for it?

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 02/12 and 02/14.

ASSISTANT: May I know your name from your side?

USER: I am Ruth Edwards.

ASSISTANT: Sorry, no flight found with your details.

USER: It's ok. Thank you.

ASSISTANT: Thank you choosing us.