You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in searching a flight ticket with 0 connection flight and book it with name Alexander Green.

ASSISTANT: Sure, please mention the preferable airport codes of your journey.

USER: I am planning my trip on 05/01 and 05/03 dates.

ASSISTANT: Please mention your airport codes.

USER: My airport codes are LAX - PHX.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no flights found under your requested details.

USER: Ok, fine thank you for checking.

ASSISTANT: Welcome, have a great day.