You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Ashley White. Can you please help me to book a ticket from EWR to SFO?

ASSISTANT: Yes, can you share me your dates of travel?

USER: My travelling dates are on 04/14 and 04/16.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.