You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best oblige you today?

USER: I am Jeffrey Green, can you help me to book a flight from SEA to DEN?

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

USER: My journey dates are 12/16 and 12/18.

ASSISTANT: Do you need any break in between journey?

USER: Yes, I need.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight found in JetBlue airline of flight number 1018 and fare is 200.

USER: Proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us, have a nice journey.