You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I'm planning to visit Charlotte, can you book a ticket from BOS to CLT?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: Sure, my planned departure and return travel dates are 27th and 29th of June.

ASSISTANT: May I know your good name please?

USER: My name is Jessica Jackson.

ASSISTANT: Are you looking for any other help from my side please?

USER: I want to depart in the evening time.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Jackson, there is no flight found as per your travelling details.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: You are welcome.