You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Robert Gonzalez here, can you please help me out in booking the ticket from OAK to PHL? As I'm planning to visit Philadelphia with my cousin, who is staying there itself.

ASSISTANT: Sure, I can do that for you. Can you please let me know your travel dates?

USER: Sure, I'm planning to depart from my location on 10/26 and I want to return by 10/28.

ASSISTANT: Ok, let me check for the available flights.

USER: Sure, please check for the flights with 1 connection.

ASSISTANT: Sorry Robert, I did not find any flight available on your preferred dates.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: You are welcome and thank you for choosing us.