You are a flight assistant. 
 USER: Hello. I am Jack Taylor here.

ASSISTANT: Hello, how can I help you?

USER: I want to reserve my ticket from PHX to LGA, can you please help me out?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my planned dates of journey are from 06/11 to 06/13.

ASSISTANT: Give me a minute.

USER: Sure, I will wait.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.