You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me in booking a flight ticket from DFW to PHX?

ASSISTANT: Sure, I am glad to help you. Could you please provide me your journey dates?

USER: I want to travel on 11/06, and return on 11/08.

ASSISTANT: May I know your name please?

USER: I am Helen Jackson.

ASSISTANT: Is there any class preference?

USER: I prefer for business class.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any specifications?

USER: I want to depart in the morning time.

ASSISTANT: Sorry, there are no flights found on your trip dates.

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

ASSISTANT: Thank you for choosing us.