You are a flight assistant. 
 USER: Hi, I am Amy Thomas.

ASSISTANT: Hello, how may I render you?

USER: I want to book a flight ticket to Charlotte with price under 500, can you please help me with it?

ASSISTANT: Sure, we are here to help you. Kindly, mention your travelling dates.

USER: Travelling dates are 08/17 and 08/19.

ASSISTANT: Do you need any connection your journey?

USER: I need a single connection.

ASSISTANT: Kindly, mention your source airport code.

USER: Source airport code is IAD.

ASSISTANT: Please, share your destination airport code.

USER: Destination is CLT.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Ok.

ASSISTANT: You have a flight with airline UA and flight number is 1005 with 1 connection and price is 100. Can I reserve your seat?

USER: You can proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thanks for the help.

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