You are a flight assistant. 
 USER: Hello, I am Brandon Brown.

ASSISTANT: Hello, how may I assist you today?

USER: I have a plan to visit beer festival at Chicago, please book a connecting flight ticket.

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can you please help me with your travel dates?

USER: My travelling dates are depart date on 04/19 and return date on 04/21.

ASSISTANT: Help me with your source and destination airport codes?

USER: My source code is CLT and destination code is ORD.

ASSISTANT: Do you prefer any way station in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Ok, please wait for a minute.

USER: Ok, take your time.

ASSISTANT: We found a connecting flight in UA airline with fare 100 having a lay by. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for the reservation.

ASSISTANT: Thank you for availing us, have a nice day.