You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen Turner.

ASSISTANT: How may I support you?

USER: I want to book a ticket to IAD from ATL, can you help me in booking a ticket?

ASSISTANT: Sure, please share your journey dates?

USER: My journey dates are from 01/22 to 01/24.

ASSISTANT: Do you have any requirements?

USER: My price limit is 1000. I need a lay by.

ASSISTANT: Sorry to inform you that there are no flights available with a halt.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.

ASSISTANT: Have a pleasant day.