You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Emily Walker here.

ASSISTANT: Hello Walker.

USER: I want to visit the place that is Art Institute of Chicago, will you help me with booking ticket from CLT to ORD?

ASSISTANT: Sure, when would like to visit?

USER: I would like to travel on 07/31 and 08/02. I need a single connection.

ASSISTANT: Sorry Walker, there is no flight found for your request dates of travelling.

USER: That's ok, no issues. Thank you for your response.

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