You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to book a connecting flight ticket to attend an event from CO. Can you help me?

ASSISTANT: Sure. can you please let me know your journey dates?

USER: June 12th and 14th are my travelling dates.

ASSISTANT: Kindly assign your source and destination airport codes?

USER: DEN and LAS are my airport codes.

ASSISTANT: Do you have any more specifications in your journey?

USER: No.

ASSISTANT: May I know your name please?

USER: Melissa Collins.

ASSISTANT: We found a JetBlue airlines, flight number 1000, price is 100 in economy class. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you.

ASSISTANT: Thank you for opting us.