You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin Roberts.

ASSISTANT: How may I help you today?

USER: Can you please book a ticket from Orlando, MCO to Denver, DEN?

ASSISTANT: Sure, can I have your trip dates?

USER: Journey dates are 10/07 to 10/09.

ASSISTANT: We do not found any flights running in your desired routes.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.