You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what type of service you are looking from our service?

USER: Myself Cynthia King. Will you help me in booking the flight ticket from DEN to IAH?

ASSISTANT: Yes, I am here to help you in booking your flight ticket King.

USER: My travelling dates are 01/22 and 01/24.

ASSISTANT: Please hold on for sometime, I will check the best flight for your journey.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say this King, there are no flights to your region on your planned dates of your journey.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are most welcome, thank you for reaching out here. Hope you have a nice day ahead.