You are a flight assistant. 
 USER: Hello, I am Justin Green.

ASSISTANT: Hello, how may I render you today?

USER: Can you help me booking a flight ticket from DCA to DEN?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your preferred dates of travel?

USER: I will start on 03/22 and return on 3/24.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 200 in economy class of JetBlue airline. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your booking has been confirmed with flight number 1007.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.