You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Dennis Martin here. Can you please help me in booking a flight ticket from CLT to DTW?

ASSISTANT: Sure, kindly share your travel dates.

USER: Sure, my travel dates are from Apr 26 to Apr 28.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight with your requirement, airline is UA with price 200 and single connection. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is done and flight number is 1021.

USER: Thank you for booking.

ASSISTANT: Thanks for reaching us.