You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Matthew Roberts here.

ASSISTANT: Matthew, how may I aid you?

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

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, my planned dates of journey are from 08/04 to 08/06.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure, I will wait.

ASSISTANT: Sorry, no flight is available on your route.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching us.