You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Taylor, want to travel from CLT to JFK. Please help me in booking my ticket.

ASSISTANT: Jennifer Taylor, I will help you. Please help me with your planned travel dates.

USER: Thank you and my travelling dates are from 06/11 to 06/13.

ASSISTANT: Do you need a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT:  Please help me with your depart and return time.

USER: My depart time should be in the afternoon and there is no particular return time.

ASSISTANT: May I know with your class preference please?

USER: I am ok with any of the class.

ASSISTANT: Do you have any other preferences with respect to your journey?

USER: No.

ASSISTANT: I am really sorry to inform you that there are no active flights available.

USER: It's ok, thank you for your help.

ASSISTANT: Jennifer Taylor, thank you for reaching us. Have a great time.