You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Andrew Scott from Denver. I want to book a flight ticket from CO - DEN to MN - MSP, can you help me in that?

ASSISTANT: Sure, can I know your preferable dates?

USER: I will start on 05/28, return on 05/30.

ASSISTANT: We found a flight from JetBlue airline with 1 connection and fare is 100. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Your ticket is booked and flight number is 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching us.