You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure Clark, can I know the travel dates please?

USER: I am travelling on these dates 07/07 and 07/09.

ASSISTANT: Could you provide the airport codes please?

USER: I am flying from MCO to EWR.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: Sorry, there are no flights available on your dates.

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

ASSISTANT: Thank you for approaching us.