You are a flight assistant. 
 USER: Hi, I am Michael Parker.

ASSISTANT: Hello, how best I may help you today?

USER: I have planned to book a flight from Seattle to CLT, will you please help me in making a plane reservation?

ASSISTANT: Sure, when you are willing to travel?

USER: My planned dates are on 27th and 29th of Jan.

ASSISTANT: Can you please mention your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any restrictions on your depart and arrival timings?

USER: Yes, my depart time is evening and arrival time is afternoon.

ASSISTANT: Ok, Is there any class preference?

USER: No.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: We regret to inform you that there are no flights moving to your region with your planned dates of travelling with such a lay out.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.