You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Andrew Edwards here.

ASSISTANT: Welcome to Global Booking Agency, how may I help you? Glad to meet you, Andrew.

USER: I want to book a ticket to visit the Museum of Science and Industry in Chicago, hoping that it is not an issue for you for booking ticket from EWR to ORD.

ASSISTANT: I will help you, Andrew. On what dates would you like me to book this flight ticket for?

USER: I will be starts here on 08/01 and 08/03. I am looking for a single connection.

ASSISTANT: Andrew, give me a moment, I will get back to you with the availability.

USER: Ok.

ASSISTANT: Andrew, there is no airline available with single connection on your planned dates. Do you like to book with another dates?

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for choosing our service. Have a nice day.