You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Christine Clark here. I want to meet my father-in-law to discuss about our family issues, so please book my ticket from SEA to MCO.

ASSISTANT: Sure, please mention me your trip dates.

USER: My itinerary dates are 01/21 and 01/23.

ASSISTANT: Please standby.

USER: Sure.

ASSISTANT: Sorry Clark, there is no flight with your travel dates in your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.