You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to reserve a flight ticket from SFO to MSP, can you please help me?

ASSISTANT: Sure, I will assist you with that. Could you please mention your preferable travel dates?

USER: Sure, my travelling dates are Dec, 16 and Dec, 18 respectively.

ASSISTANT: May I know your name for further process?

USER: Sure, my name is Carol Parker here.

ASSISTANT: Do you have any preferences regarding timings of your journey?

USER: No, I am ok with any time to fly.

ASSISTANT: In which class you want to travel in flight?

USER: I am comfortable with any class to travel.

ASSISTANT: Do you have any another preferences?

USER: Flight has to be with a single connection.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.