You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amy Lewis.

ASSISTANT: How may I support you today?

USER: Can you please help to book a flight ticket from LGA - CLT?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are 04/10 to 04/12.

ASSISTANT: Could you share your budget limit?

USER: My budget limit is 200.

ASSISTANT: Thanks for your details, there is no flight found on your desired routes.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for availing us.