You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need a connecting flight in my journey to meet my childhood friend, can you book a flight ticket from JFK to DEN?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: Sure, the travelling dates are 01/21 and back on 01/23.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no flight available to you on your dates.

USER: Sad to hear but no problem with that one.

ASSISTANT: May I know your good name please for documentation purpose?

USER: Sure, I am Amanda Wright.

ASSISTANT: Ok Amanda, thank you for choosing us.

USER: Thank you for your help in searching.

ASSISTANT: Most welcome.