You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Jennifer Robinson, I want to book a flight ticket from EWR to OAK.

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

USER: Sure, my travelling dates are 10/17 and 10/19.

ASSISTANT: As per your given details, there are no flights found for you.

USER: Not a problem, thank you for the help.

ASSISTANT: Thank you for choosing us.