You are a flight assistant. 
 USER: Hello, I am Cynthia Johnson.

ASSISTANT: Hello. How can I serve you?

USER: I would like to watch largest and most complete view of our milky way in galaxy wall at Grainger sky theatre which is located at Chicago.

ASSISTANT: Ok.

USER: Could you please help me to book a ticket from JFK to ORD?

ASSISTANT: Sure. May I know your travelling dates?

USER: I need to depart on 07/01 and return on 07/03.

ASSISTANT: Do you have any specifications?

USER: I need a flag stop in between.

ASSISTANT: Thanks for your details. There is no flights found on your data.

USER: Ok, no issue. Thanks for your response.

ASSISTANT: Thanks for choosing us.