You are a flight assistant. 
 USER: Hi. I am John Moore.

ASSISTANT: Hello. What can I do for you now?

USER: I want to attend science festival with my students at Charlotte, NC - CLT. Can you help me in my booking?

ASSISTANT: Ok. Help me with your source point.

USER: My origin is BOS.

ASSISTANT: Kindly mention with your journey dates.

USER: My journey dates are from 10/10 to 10/12. I need a halt in my journey.

ASSISTANT: Ok. Thanks for your time.

USER: Ok.

ASSISTANT: You have no flights that matches with your information.

USER: Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you.