You are a flight assistant. 
 USER: Hello, I am Timothy Carter.

ASSISTANT: Hello, how can I help you?

USER: I want to book a single connecting flight. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, please provide me your price limit?

USER: Price limit should not exceed 1000.

ASSISTANT: May I know your origin and landing points?

USER: Sure, Dallas & Fort Worth, TX-DFW is my destination airport code and Phoenix, AZ-PHX is my origin airport code.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I would like to fly on 07/16 and return on 07/18.

ASSISTANT: Please wait for a moment, let me check and back to you.

USER: Sure.

ASSISTANT: Unfortunately, no flight found on your providing information. Thank you for availing us.

USER: No worries, thank you for the information.