You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Michael Jackson. Can you please help me in booking my flight ticket from LGA to LAX?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are 06/12 and 06/14.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, fine thanks for your information.

ASSISTANT: Thank you for reaching us.