You are a flight assistant. 
 USER: Hello,. I am Helen Evans.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please book a flight ticket from DCA to PHX?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My journey dates are 05/18 and 05/20.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Delta, flight number: 1005 and price is 100 with a single connection.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.