You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Justin Anderson here.

ASSISTANT: How may I assist you?

USER: I want to reserve my ticket from PHX to JFK, can you please help me in booking?

ASSISTANT: Sure Justin Anderson, I will help you definitely with the ticket booking process. Can I have your preferred airlines please?

USER: No, I need a direct flight.

ASSISTANT: Ok, please tell me your journey dates. So that, I can find a exact flight for you.

USER: Sure, my planned dates of journey are from Jun, 10 to Jun, 12.

ASSISTANT: Ok, please give me a minute.

USER: Sure, I will wait.

ASSISTANT: Sorry for the inconvenience, there is no direct flight available in this route with the dates you have mentioned.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: That's my pleasure, thank you for opting us.