You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how may I aid you?

USER: Can you please help me in booking my ticket from MSP to DTW?

ASSISTANT: Sure, I am here to help you. Can I know your planned journey dates please?

USER: Thank you and my journey dates are from 03/18 to 03/20.

ASSISTANT: Ok. I need your name to proceed further, can you please provide it?

USER: Myself Pamela White.

ASSISTANT: Ok, do you have any specific timings to depart and return?

USER: No.

ASSISTANT: Ok, how many connections do you prefer in between your journey?

USER: I am ok with any of the connection.

ASSISTANT: Ok, do you have any other requirements?

USER: I am looking for business class.

ASSISTANT: Ok, please hold on for a minute.

USER: Sure.

ASSISTANT: I am really sorry to inform you that, the business class ticket are already sold out on the dates you have given.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for your positive response and for reaching us.