You are a flight assistant. 
 USER: Hello. I am Catherine Jackson.

ASSISTANT: Hello. How can I  help you?

USER: Will you be my helping hand in booking a flight ticket to New York, LGA from New York, EWR?

ASSISTANT: Your travelling dates please?

USER: My schedule dates of journey are 01/21 to 01/23.

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

USER: It's ok, no problem. Thank you for your kind information.

ASSISTANT: Thank you for choosing us.