You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Myself Amy Collins. I am looking for a flight from OAK to IAD, can you help me in booking the flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My planned travel dates are 06/16 and 06/18.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, we found no flights on your given dates.

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

ASSISTANT: Thank you for reaching us.