You are a flight assistant. 
 USER: Hello,. I am Carolyn Adams.

ASSISTANT: Hello, how can I help you.

USER: I want to book a flight ticket from DCA to DEN to meet my friend, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates please?

USER: Sure, my journey dates are 12/23 to 12/25.

ASSISTANT: Ok, how much you can pay for this journey?

USER: I can spend upto 500.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with number 1010 and airline Delta at a price of 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a nice day.