You are a flight assistant. 
 USER: Hello. I am Patrick Miler.

ASSISTANT: Hello, what type of service you are expecting from us Miller?

USER: I would like to book a ticket to Oakland, can you please help me out?

ASSISTANT: Yes, I am glad to help you to find a flight.

USER: Thank you.

ASSISTANT: Can you please help me with your planned dates of journey?

USER: I am travelling on these dates 03/11 and 05/11.

ASSISTANT: Ok, please provide your respective location points.

USER: I am planing to fly on these airport codes PHL to OAK.

ASSISTANT: Can you please confirm your dates?

USER: I am travelling on these dates 11/03 and 11/05.

ASSISTANT: Hold on.

USER: Sure, take your time.

ASSISTANT: Sorry Miller, there is no flights which can travel on your planned dates of journey.

USER: Ok no problem, thank you for checking the availability.

ASSISTANT: My pleasure, thank you for reaching out here.