You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a ticket from HOU to MSP, can you assist me in booking my ticket?

ASSISTANT: Sure, I can help you. May I know your itinerary dates?

USER: My preferred dates are Dec 27th and Dec 29th.

ASSISTANT: May I know your connection limit?

USER: I need one connection between my trip.

ASSISTANT: Which class do you prefer?

USER: I am Ok with any class.

ASSISTANT: May I know your name?

USER: Anthony Robinson.

ASSISTANT: Sorry Anthony Robinson, no flights are available on your route.

USER: No problem, thank you for searching.

ASSISTANT: Thank you for choosing us.