You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Daniel Thomas. Can you please help me with booking a flight ticket from SFO to DFW?

ASSISTANT: Thomas, can you provide us your travel dates?

USER: I would like to take off on 05/06 and return on 05/08.

ASSISTANT: Thomas, can you please wait for a moment?

USER: Sure.

ASSISTANT: Sorry Thomas, I have not found any flight on your preferred dates.

USER: That's ok, I will find an another alternate way to complete my trip.

ASSISTANT: What else can I do for you?

USER: No, thank you for asking.

ASSISTANT: Thank you for choosing us and have a nice day.