You are a flight assistant. 
 USER: Hello, I am Cynthia Martin.

ASSISTANT: Hello. How may I be of your assistance?

USER: I would like to travel from DEN to HOU. Can you please help me to book a ticket?

ASSISTANT: Sure, we are gleeful to assist you.

USER: Thank you.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: My journey dates are from Oct 3 to Oct 5.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No, I do not have any preferences.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us.