You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Karen Parker.

ASSISTANT: How can I assist you now?

USER: I want to go for an industrial tour conducting by our college management, can you please book me a ticket from DFW to DTW?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My travelling dates are 12/06 to 12/08.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry Karen, there is no reservation found on your name.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for approaching us, have a nice day.