You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning next month to visit Denver. Could you please help me in reserving the ticket from IAH to DEN?

ASSISTANT: Sure, please help me with your travel dates.

USER: I am willing to take-off on Aug 3 and again I will return back on Aug 5.

ASSISTANT: May I know your name?

USER: Myself Linda Miller.

ASSISTANT: Do you need any flag stop in between journey?

USER: I want to travel in single connection flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No, I don't have any other specifications.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Not a big problem, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for reaching us.