You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Larry Williams.

ASSISTANT: How can I assist you?

USER: I am looking for a flight from CLT to IAD, can you help me in booking the flight ticket?

ASSISTANT: Ok, please provide me the travel dates to book?

USER: Sure, my planned travel dates are 02/08 and 02/10.

ASSISTANT: Ok, thank you for waiting. Sorry, there is no flight available at the your location mentioned.

USER: That's ok, no problem. I will reach my destination through some other way.

ASSISTANT: Thank you for connecting with our agency.

USER: Thank you for the information.