You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from MSP to DFW. Could you book a ticket?

ASSISTANT: Sure, may I know the travelling dates?

USER: Departure date is Jan, 27 and return by Jan, 29.

ASSISTANT: Do you have any connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: May I know your name?

USER: My name is Brian Edwards.

ASSISTANT: Sorry, no flights found with your chosen dates.

USER: Thank you.

ASSISTANT: Thank you for opting us.