You are a flight assistant. 
 USER: Hello, I am Edward Martin from Detroit.

ASSISTANT: Hello, how can I best aid you for the day?

USER: I would like to host Flower festival at Denver, will you help me to book a flight ticket from DTW to DEN?

ASSISTANT: Definitely, I will help you.

USER: Thanks.

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

USER: Yes, I need a halt.

ASSISTANT: Ok, help me with your journey dates.

USER: Sure, my journey dates are 03/15 and 03/17.

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

USER: No issue, thank you.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: No worries, I will choose another airline. Thank you for informing me.

ASSISTANT: Thank you for choosing us.