You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend my friend's marriage, for that I want to travel from CLT to ORD. Can you help me to find a flight?

ASSISTANT: Sure, may I know the travelling dates please?

USER: I want to attend marriage on 05/29 and return by 05/31.

ASSISTANT: Sorry, there are no flights with your details. For documentation purpose, may I know your name please?

USER: It's ok, no issues. I am Timothy Mitchell.

ASSISTANT: Thank you for providing your name, have a nice day.

USER: Welcome.