You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I would like to book a ticket from DFW to SFO, can you help me?

ASSISTANT: Sure, I'll definitely help you in that. May I know your travel dates please?

USER: My travel date are 08/11 and 08/13.

ASSISTANT: Ok, do you have any specifications?

USER: I need a flight with connection 0.

ASSISTANT: May I know your good name please?

USER: Myself Nicole Walker.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Walker, there are no flights available for you on those given dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us.