You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to attend my brother's marriage from PHL to JFK. Can you find a ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travelling dates are 11/02 to 11/04.

ASSISTANT: Sorry, there is no flight available for your request. May I know your good name please?

USER: Yes, I am Jerry walker.

ASSISTANT: Thank you for approaching us Jerry.

USER: Ok, thank you for your help.