You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I need to book a flight ticket from Boston in order to give a seminar on global warming at Charlotte. Can you help me with it?

ASSISTANT: Sure, Let me know your journey dates.

USER: I prefer to travel on 08/29 and 08/31.

ASSISTANT: May I know the source and destination details?

USER: My plan is to reach CLT from BOS.

ASSISTANT: Can I get your name?

USER: Linda Rodriguez is my name.

ASSISTANT: Am checking the details, Please give a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.