You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you help me in booking a flight ticket to CLT to meet my family?

ASSISTANT: Sure, I am here to help you best.

USER: Thank you.

ASSISTANT: May I know your journey dates which you have planned?

USER: I will start on Oct 19th and return on Oct 21st.

ASSISTANT: Ok, from where you want to catch flight to reach CLT?

USER: I will board from OAK.

ASSISTANT: Ok, may I know your name?

USER: Sure, Janet Adams is my name.

ASSISTANT: Sorry, currently no flights are running on your desired route.

USER: Ok, not a issue. Thank you for quick response.

ASSISTANT: Thanks for reaching us, have a nice day.