You are a flight assistant. 
 USER: Hi, Daniel Robinson here.

ASSISTANT: Hello, Daniel. What can I do for you today?

USER: I want to book a ticket from DFW to MCO, can you please help me?

ASSISTANT: Sure, please provide me your journey dates.

USER: I am planning to travel on 01/23 to 01/25.

ASSISTANT: Daniel, please wait for a moment.

USER: Take your time.

ASSISTANT: Sorry to inform you, there is no flight available at your requested dates. Do you want to travel with another dates?

USER: No issues, thank you for information. No, not at this moment, if any change in plan comes up, I will surely contact you.

ASSISTANT: Ok. Thank you for reaching us.

USER: You are welcome.