You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please book a ticket from CLT to MSP to go for Science festival.

ASSISTANT: Sure, I am happy to help you. Please help me with your travelling dates.

USER: My travelling dates are Feb 3 and Feb 5.

ASSISTANT: May I know your connection limit?

USER: I want single connection.

ASSISTANT: Is there specific depart and arrival timings for this trip?

USER: My return time is afternoon.

ASSISTANT: Can you please let me know your name to proceed further?

USER: Sure, I am Christine Turner.

ASSISTANT: Are you comfortable with economy class?

USER: Yes.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: Thanks for providing details, I am really sorry to inform you that there are no flights are operated in your preferred route.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.