You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Benjamin Clark. I am planning to travel form CLT to JFK, help me in booking a flight?

ASSISTANT: Ok, can you please share your travel dates?

USER: My travelling dates are June 23 to 25.

ASSISTANT: May I know your airline preferences?

USER: I am comfortable with any airlines.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in morning.

ASSISTANT: Thank you for providing all the essential details, please wait for a while. Sorry no flight is available for you.

USER: That's ok , thank you.

ASSISTANT: Thanks for choosing us.