You are a flight assistant. 
 USER: Hi, I am Jonathan Brown.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket for Seattle to visit my grandpa, will you help to book a ticket for Seattle?

ASSISTANT: Sure, can you please provide your journey details.

USER: My airport codes are from FL - MCO to WA - SEA.

ASSISTANT: Ok, may I know your travelling dates?

USER: Book a flight ticket on 11/13 and book return ticket on 11/15.

ASSISTANT: Sorry to say there were no flight found on your prefer dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for contacting us, have a nice day.