You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Michelle Roberts here. Can you help me to book a connecting flight from BOS to CLT?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I would like to travel on 29 June and return on 01 July.

ASSISTANT: Noted. Do you have any preferences?

USER: I am comfortable with any airlines preference.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Oh! not an issue. Thank you for giving information.

ASSISTANT: You are welcome, have a nice day.