You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Please book me a ticket from MSP to OAK to meet my old friends.

ASSISTANT: Sure, can you please provide your preferable dates of travelling?

USER: I have planned to travel on Mar 04th and return on Mar 06th.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Myself Dorothy walker.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class.

ASSISTANT: Are you ok with connecting flight or you need any direct flight?

USER: I like direct flight.

ASSISTANT: Please be on hold to check the flights.

USER: Ok, I will wait.

ASSISTANT: We are apologize that, there are no flights running towards your region with your requested dates of travelling.

USER: That's ok, not a problem. Thanks for your information.

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