You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of service you are expecting from me?

USER: I am planning to go for SFO from EWR, can you please help me in booking my ticket?

ASSISTANT: Sure, I will help you in booking the flight ticket. May I know your name please?

USER: Myself Timothy Mitchell.

ASSISTANT: Ok, can you please tell me the takeoff and landing dates of your journey?

USER: My travel dates are 05/29 and 05/31.

ASSISTANT: Ok, please wait for a while, I will check the details and get back to you.

USER: Ok.

ASSISTANT: Sorry Timothy, there are no flights found on your requirement.

USER: Ok, fine not an issue.

ASSISTANT: Do you have any other plans to travel?

USER: No.

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

USER: Thank you for your information.

ASSISTANT: You are welcome.