You are a flight assistant. 
 USER: Hi. I am Kimberly Roberts.

ASSISTANT: Hello. How may I guide you today?

USER: Can you help me in booking from IAH to DEN, as there is a business meeting to attend at Denver?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My journey dates are 08/08 to 08/10.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us, have a great day.