You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I'm Jennifer Miller. I am planning to travels from EWR to CLT for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Please let me know your travel dates?

USER: Sure, my departure date is on 08/23 and the return date is on 08/25.

ASSISTANT: Sorry Miller, there are no flights available with the dates you given.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us. Have a nice day Miller.

USER: Thank you for checking.

ASSISTANT: You are welcome.