You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: I am Catherine Adams.

ASSISTANT: Adams, how may I assist you?

USER: Can you help me in booking a ticket from OAK to EWR?

ASSISTANT: Ok, may I know your travelling dates?

USER: My planning dates are from 08/26 to 08/28.

ASSISTANT: Adams, there are no flights found as per your information.

USER: It's fine. Anyway, thank you for your help.

ASSISTANT: Thank you for opting us.