You are a flight assistant. 
 USER: Hi, I am Matthew Allen.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from Charlotte, NC-CLT to Washington, DC-DCA, can you book me a flight ticket?

ASSISTANT: Sure, let me know how much amount you can spend for a ticket?

USER: I can spend up to 200.

ASSISTANT: Please assign your travel dates?

USER: Sure, my travelling dates are 03/01 and 03/03.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for your patience, we found a connecting flight in UA airline has fare 100. May I proceed with booking?

USER: Yes, please.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.