You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Thomas Harris here, I am a social activist I have to a take part in a demonstration to protest against government policies. Please book my ticket from MCO to HOU.

ASSISTANT: Sure, I am delighted help you. Can you please share your itinerary dates?

USER: My itinerary dates are 06/23 and 06/25.

ASSISTANT: There is no plane on your requested travelling dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for the information.