You are a flight assistant. 
 USER: Hello, I am Jessica Lopez.

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: Please share your travel dates.

USER: I would like to go on 05/29 and return back on 05/31.

ASSISTANT: Can I have your nearby airport codes?

USER: My source and destination airport codes are SEA and MCO.

ASSISTANT: Please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, no flights are available on this route. Thank you for reaching us.

USER: That's ok, thank you.

ASSISTANT: Welcome.