You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I have to make a plane ticket from Oakland to reach Minneapolis & St. Paul. Can you please help me to do that?

ASSISTANT: Sure, please provide your airport codes.

USER: Thank you. My travel airport codes are OAK and MSP.

ASSISTANT: Please provide your travelling dates.

USER: My planned travel dates are Nov 01 and Nov 03.

ASSISTANT: Do you have any preferences about flight connections?

USER: The preferred connection limit in between my journey is one.

ASSISTANT: Do you have any preferences about class?

USER: No, I didn't have any class preference.

ASSISTANT: Please mention your name.

USER: My name is Sharon Williams.

ASSISTANT: There is no flights found under your preferable details.

USER: It's ok, I will choose some other source to travel. Thank you for your help.

ASSISTANT: Welcome, have a great day.