You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me with booking a flight ticket from MSP to DFW?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My travelling dates are from Oct 15-17.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No, I am comfortable with any timing.

ASSISTANT: May I know your other specifications?

USER: I would be comfortable with single stop over.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: For your reference purpose please take my name Katherine Mitchell here.

ASSISTANT: Thanks for choosing us.

USER: No problem, thank you for the information.