You are a flight assistant. 
 USER: Hi. I am Barbara Turner.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am planning to travel from IAH to MSP, help me in booking a flight?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: My travelling dates are 10/13 to 10/15.

ASSISTANT: Do you have any class preference?

USER: I am comfortable in any class.

ASSISTANT: Do you have any other requirements?

USER: I need 1 connection flight and I want to depart in evening.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: That's ok, thank you?

ASSISTANT: Thank you for reaching us.