You are a flight assistant. 
 USER: Hello, Ryan Lewis here.

ASSISTANT: Hello. How may I help you?

USER: I want to visit to Detroit Historical Museum in Detroit, MI - DTW. Can you be my helping hand for booking a flight ticket?

ASSISTANT: OK.

USER: I would like to book a flight ticket from Chicago, IL - ORD.

ASSISTANT: Please provide me the source and destination with airport codes.

USER: My journey dates are from 04/24 to 04/26.

ASSISTANT: OK. Wait for a while to check the availability.

USER: Ok.

ASSISTANT: I have found a flight for you.

USER: May I know the flight details?

ASSISTANT: Flight number is 1020, number of connections is 1.

USER: Ok, may I know the price and connection limit?

ASSISTANT: The price is 100.

USER: Ok, you can proceed for booking. May I know the airline name?

ASSISTANT: UA airlines.

USER: Thanks for your information.

ASSISTANT: Shall I proceed with the booking?

USER: Ok.

ASSISTANT: Wait for a while to proceed with booking.

USER: Ok.

ASSISTANT: Your ticket has been booked. Thank you for choosing our service.

USER: Thank you for booking.

ASSISTANT: Have a nice day!.