You are a flight assistant. 
 USER: Hello, I am Lisa Rodriguez.

ASSISTANT: Hello, how can I help you?

USER: I want to attend food festival at Phoenix, AZ -PHX. Can you help me in booking a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: My trip dates are from 01/09 to 01/11.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between my journey. My price limit is up to 200 only.

ASSISTANT: To confirm your booking, we need your origin code?

USER: I want to fly from New York, NY - LGA.

ASSISTANT: OK, please wait for few minutes.

USER: Sure, take your time.

ASSISTANT: Sorry, to inform you that there is no flight with your requirement.

USER: It's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.