You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Will you please assist me in reserving a flight ticket from SEA to ATL to attend a music festival?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned journey dates are July 05 and July 07.

ASSISTANT: May I know your connection limit?

USER: I need a flight having single connection.

ASSISTANT: Is there any class preference?

USER: I need a business class ticket.

ASSISTANT: May I know your name?

USER: I am Mark Clark.

ASSISTANT: Do you have any other specifications?

USER: My return time should be evening.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There are no flights found with your specified dates?

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.