You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you aid me in booking a flight ticket from PHX to LGA?

ASSISTANT: Sure, can you please help me with your dates of journey?

USER: I am planning to start on May 2nd and return back on May 4th.

ASSISTANT: May I know your good name please?

USER: I am Alexander Gonzalez.

ASSISTANT: Are you looking for any other help from my side please?

USER: I want to depart in afternoon time.

ASSISTANT: Please wait for a mean while.

USER: Take your time.

ASSISTANT: Sorry Alexander, there is no flight found as per your travelling details.

USER: No issues. Thank you for checking.

ASSISTANT: You are welcome.