You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket to Chicago with price under 5000.

ASSISTANT: Sure, may I know your travelling dates?

USER: Can you please help me with it?

ASSISTANT: Sure.

USER: Travelling dates are 04/11 and 04/13.

ASSISTANT: Can you please provide your journey codes?

USER: Airport codes are JFK-ORD.

ASSISTANT: May I know your good name?

USER: My name Scott Clark.

ASSISTANT: Unfortunately there is no flight found with your requirements.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the help.