You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name?

USER: Ryan Roberts here.

ASSISTANT: What type of help can I do for you?

USER: I want to book a ticket from MCO to SEA, to meet my parents.

ASSISTANT: Ok, please provide me your travel dates?

USER: Ok, I would like to travel on 04/01 and 04/03. Make sure price will be within 200.

ASSISTANT: Based on your request,  there is no flight available.

USER: It's ok, not an issue.

ASSISTANT: Thanks for contacting us.

USER: Thank you for your help.