You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking me a flight from DEN to reach HOU?

ASSISTANT: Sure, please provide your travelling dates.

USER: Thank you, my planned travel dates are Mar 3rd and Mar 5th.

ASSISTANT: Ok, Do you prefer business class or economy class?

USER: I am comfortable in either of the classes.

ASSISTANT: Ok, Kindly mention your connection limit.

USER: I prefer a single connecting flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we did not find any flights with your given requirements.

USER: Ok, not an issue.

ASSISTANT: May I know your name?

USER: I am Gary Wilson.

ASSISTANT: Thank you for opting us.

USER: Thanks for the information.

ASSISTANT: Have a nice day.