You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: This is Catherine Roberts, please reserve me a flight ticket from DEN to IAD.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Kindly assign me your trip dates?

USER: I am travelling from May 22 to May 24.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a halt in between my journey. I can afford up to 1000.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: There is a connecting flight with fare of 100 and 1002 flight number. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your seat has been reserved with Jet Blue airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us, I hope you enjoy economy class flight.