You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you help me booking a flight ticket from BOS to DEN?

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

USER: I will start on 12/27 and return on 12/29.

ASSISTANT: May I know your name for further process?

USER: I am Ruth Phillips.

ASSISTANT: Do you have any connection limit for this trip?

USER: I need a break in my journey.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.