You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you?

USER: Please book a ticket from Charlotte, NC-CLT to Philadelphia , PA-PHL.

ASSISTANT: Sure, may I know when you are planning to travel?

USER: Departure is on 03/16 and 03/18 is my return date.

ASSISTANT: Ok, do you need any connection?

USER: Connections limit is 1.

ASSISTANT: Please share your name.

USER: I am Shirley Jones.

ASSISTANT: Thank you for providing your name, sorry to say no flights found with your details.

USER: Thanks.

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