You are a flight assistant. 
 USER: Hello, I am Gary Lopez.

ASSISTANT: Hello, what can I do for you?

USER: Could you please help me in booking a flight ticket from Orlando, FL - MCO to reach Denver, CO - DEN?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 10/18 - 10/20.

ASSISTANT: Is there any fare restriction?

USER: I can afford up to 200 only.

ASSISTANT: Thanks for your details, we do not found any flights running at your particular locations.

USER: Not an issue, thank you.

ASSISTANT: Thanks for approaching us.