You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Jason Wilson from Orlando.

ASSISTANT: Ok.

USER: I want to book a flight ticket to Houston, TX - HOU to meet my childhood friend. Can you help me for booking with a fare of 500?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My trip dates are 11/22 to 11/24.

ASSISTANT: Please share me your boarding point?

USER: Sure, It is MCO.

ASSISTANT: Sorry to say that, no flights are available in your route on your requested dates.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.