You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, I'll help you in booking.

USER: Thank you.

ASSISTANT: Please share your source and destination airport codes.

USER: ORD and DEN are my airport codes.

ASSISTANT: Kindly share your planned travelling dates to proceed further.

USER: 13th and 15th Feb are my travelling dates.

ASSISTANT: May I know your depart and return timings?

USER: I would like to depart in the afternoon.

ASSISTANT: Do you have any other comforts to met?

USER: No.

ASSISTANT: Thank you for sharing your journey details, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for being patient, we found an economy class ticket providing by Frontier airline with the flight number-1001. Shall I book the ticket?

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed and your depart time will be in the afternoon.

USER: Thank you.

ASSISTANT: It's pleasure to serve you. You're welcome. May I know your name for documentation purpose?

USER: Andrew Thompson.

ASSISTANT: Thank you.