You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am cop and I need to investigate a case on IAH, so I need to travel to that location, can you please book a flight ticket from my region PHL?

ASSISTANT: May I know your travel dates please?

USER: Sure, I will be convenient on these dates in 01/04 and 01/06.

ASSISTANT: May I know your name for our reference?

USER: My name is James Moore.

ASSISTANT: I am sorry No flights found on your date.

USER: Ok, that's fine. No problem. Thank you for searching the flights in my route.

ASSISTANT: Thanks for reaching us.