You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from DEN to LAX, Can you please help me for booking?

ASSISTANT: Sure, let me know your travelling dates?

USER: I would like to travel on 06/25 to return on 06/27.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Kimberly Lee here.

ASSISTANT: We found a connecting flight 1000 in American airline with fare 100 and class is economy. Shall I proceed with booking?

USER: Ok, proceed for booking. Thanks for your information.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.