You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I am Jerry Collins. I want to book a ticket from AUS to CLT to attend workshop, can you help me in booking?

ASSISTANT: Sure, kindly mention the dates of your journey.

USER: I am departing on Apr 26 and return on Apr 28.

ASSISTANT: In which class would you like to travel?

USER: I am ok with any class.

ASSISTANT: Do you have any other requirements?

USER: I want a flight with connection limit 1.

ASSISTANT: May I know your preferable timings?

USER: I want to depart in evening time.

ASSISTANT: Sorry, there were no flights found which departs in the evening.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for contacting us.