You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I assist you?

USER: Could you please book a plane ticket to Phoenix, AZ-PHX with connecting flight? The fare should be 200.

ASSISTANT: Surely, I will help you. May I know your source code and name?

USER: My name is Nicholas Martinez. My source code is TX-DFW.

ASSISTANT: May I know your connection limit?

USER: My connection limit is one.

ASSISTANT: Please help me with your travel dates.

USER: I am attending a Pioneer festival on 06/08 and return on 06/10.

ASSISTANT: Sorry, No flights found with your preferable dates. Thank you for opting us.

USER: No issues, thank you for the information.