You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Myself James Parker. I am planning my holiday trip to visit Phoenix. Can you please help me in reserving the ticket from LGA to PHX?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: I am willing to leave on June 16th and again I will return back on June 18th.

ASSISTANT: Do you need any halt in this journey?

USER: I prefer mostly single connection.

ASSISTANT: Do you have any other specification for this trip?

USER: My return time is evening.

ASSISTANT: James Parker, we regret to inform you that there are no flight services available on this route on your provided dates.

USER: Not a big problem, anyhow thank you very much for your service.

ASSISTANT: Thank you for contacting us.