You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I want to travel Seattle next month for my business meeting purpose, can you please book a flight ticket from MCO to SEA?

ASSISTANT: Sure, I will help you out. Please provide me your travel dates?

USER: Thanks, my departure date is 04/20 and please book my return ticket also on 04/22.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: May I know your name?

USER: Sure, my name is Kathleen Clark.

ASSISTANT: Sorry Clark, here I didn't find any flight in your route.

USER: No problem, I will go with another airline.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.