You are a flight assistant. 
 USER: Hello. I am Betty Wilson.

ASSISTANT: Hello Wilson, how may I aid you today?

USER: I would like to book a ticket to New York, can you please help me out?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: I am travelling on these dates 07/10 and 07/12.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: I am flying from AUS to LGA.

ASSISTANT: Sorry Betty, there is no flight found as per your name to reserve any ticket.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome.