You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I heard that Phoenix is a best place to spend free time. So I have decided to reach Phoenix this weekend in a flight. Please book a ticket for me.

ASSISTANT: Ok, please can I know your planned airport codes to check?

USER: LAX and PHX are the airport codes.

ASSISTANT: Ok, please may I know your dates of journey?

USER: January 29 and 31 are my planned travelling dates.

ASSISTANT: Please may I know your preferred connection limit?

USER: I need a direct flight.

ASSISTANT: Ok, please let me know your other requirements.

USER: Nothing much to state.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting.

USER: You are welcome.

ASSISTANT: Sorry, there is no flight available as per your need.

USER: That's ok. Thank you.

ASSISTANT: Thank you for connecting with our agency. May I know your name?

USER: My name is Kevin Williams.

ASSISTANT: Ok, thank you.\.

USER: You are welcome.