You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me in booking flight ticket from BOS to CLT to meet my family.

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are June 02 to June 04.

ASSISTANT: Please share me your name.

USER: Myself Scott Campbell.

ASSISTANT: Sorry, there is no flight right now.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.