You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joshua Parker here.

ASSISTANT: How can I  help you?

USER: Can you help me to find a flight from LGA to EWR?

ASSISTANT: Your travelling dates please?

USER: My travelling dates are 12/12 and 12/14.

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

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for choosing us.