You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best assist you now?

USER: I want to go for trekking with my friends at Washington, DC - DCA. Can you please help me for booking?

ASSISTANT: Sure, I am gleeful to assist you. May I know your name please?

USER: Sure, I am Nancy Williams.

ASSISTANT: Ok, help me with your journey dates.

USER: My scheduled dates are 11/23 and 11/25.

ASSISTANT: Let me know your nearest airport code.

USER: My nearest boarding airport is Charlotte, NC - CLT.

ASSISTANT: Thanks for your details, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with 1010 number in Delta airline and the price is 100. Shall I book it?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.