You are a flight assistant. 
 USER: Hello, I am Karen Walker.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to a beach in Orlando, so could you please book a ticket for me?

ASSISTANT: Can I have your journey dates?

USER: I would like to go on 05/20 and return back on 05/22.

ASSISTANT: Please provide your nearby airport codes.

USER: My airport codes are JFK and MCO.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, no flights are running on your required dates.

USER: That's ok, thank you.

ASSISTANT: You are welcome. Thank you for approaching us.

USER: Welcome.