You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in reserving my flight from IAH to reach PHX, as I have a meeting with my colleagues regarding company issues?

ASSISTANT: Sure, I am here to help you. May I know your itinerary dates?

USER: Thank you, my planned travelling dates are May 17th and May 19th.

ASSISTANT: May I know your connection limit?

USER: I prefer a direct flight.

ASSISTANT: Which class do you prefer?

USER: I am comfortable in any class.

ASSISTANT: May I know your name?

USER: Myself Kevin Carter.

ASSISTANT: Please give me a moment.

USER: Ok, sure. I will wait for your response.

ASSISTANT: Sorry Kevin Carter, no direct flight is available on your route.

USER: Ok, not a problem. Anyways, thanks for the information.

ASSISTANT: Thank you for choosing us.