You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to book my ticket from EWR to SFO. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Jason Wright.

ASSISTANT: May I know your travelling dates please?

USER: My planned travel dates are Sept 30 and Oct 02.

ASSISTANT: May I know your airline preference please?

USER: I am ok with any airlines.

ASSISTANT: Do you have any other specifications please?

USER: No, thank's for asking.

ASSISTANT: Sorry Wright, there is no flight found as per your planned travelling dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: You are welcome.Thank you for reaching us.