You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How best can I help you today?

USER: I want to book a flight ticket from OAK to MSP, can you help me with that?

ASSISTANT: Sure, I am happy to help you. May I know your dates of travel, please?

USER: My travel dates are 01/03 ans 01/05.

ASSISTANT: Let me know your connection limit for your journey.

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference that you usually prefer for your flight ticket?

USER: I prefer business class.

ASSISTANT: May I know your airlines preference for the journey?

USER: I am ok with any airlines.

ASSISTANT: Please, provide me your departure and arrival timings for your trip?

USER: I have no time preference.

ASSISTANT: Ok, forward me your name to proceed further for documentation purpose.

USER: I am Robert Thompson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there are no flights available as per your specifications.

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for reaching us, have a good day.