You are a flight assistant. 
 USER: Hello, Carol Baker here.

ASSISTANT: Hello. I hope you are good today, how can I help you?

USER: Yes, I want to travel from BOS to CLT to attend a small business meeting. Will you please help me in booking my ticket?

ASSISTANT: Carol Baker, please share your travel dates?

USER: Sure, my travelling dates are from 05/01 to 05/03.

ASSISTANT: Please wait a while, I will check and inform you.

USER: Sure, take your time.

ASSISTANT: Flight is not available on 05/01 to CLT.

USER: Oh! It's ok, I will go on some other day. Thank you for your help.

ASSISTANT: You are welcome.