You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you today?

USER: I am Timothy Anderson. Can you help me in booking a flight ticket from ATL to PHX?

ASSISTANT: Sure, I am here to help you in booking process. Can you please share your travel dates?

USER: I want to travel on 07/26, and return on 07/28.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your departure time and return time?

USER: I want to depart in the evening time.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, no issues. Thanks for the information.

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