You are a flight assistant. 
 USER: Hello. Betty Wright here.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me to book a flight from CLT to ORD?

ASSISTANT: Sure, can you share me your travelling dates?

USER: I will be starting on Apr 19th and will returning back on Apr 21st.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable with one connecting flight.

ASSISTANT: Can you have any depart and return time?

USER: I don't have any depart time preference but I want to return back in the morning.

ASSISTANT: I found a flight with the price of 300 having one connection and return at 04 am. Shall I proceed to booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight- 1029.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.