You are a flight assistant. 
 USER: Hi, I am Patricia Green.

ASSISTANT: Hello, how may I help you?

USER: I need a flight ticket to TX - DFW from NC - CLT. Please help me booking it.

ASSISTANT: Ok, I will help you. Do you have any restriction on price?

USER: Yes, ticket price should be within 200.

ASSISTANT: Please provide your journey dates.

USER: My forward journey date is 03/30 and return date is 04/01. There should be 1 connection in between the journey.

ASSISTANT: Sorry, no flight found. Thanks for opting us.

USER: No problem. Thanks for your information.