You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: Please book me a flight ticket from MCO to LGA to meet my family.

ASSISTANT: Sure, I am happy to help you with that.  Can I have your travel dates please?

USER: I have planned to travel on Feb 21st and return on Feb 23rd.

ASSISTANT: Do you prefer any specific timings to travel?

USER: I am ok with any time.

ASSISTANT: Are you looking for any connecting flight or direct flight only you want?

USER: I like connecting flight.

ASSISTANT: Can I have your good name please to proceed further?

USER: Myself Samantha Parker.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry Samantha Parker, no flight is available to you on your dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us, have a good day.