You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Myself Michelle Lopez from Phoenix. I want to go to Oakland in April for my film shooting purpose. Can you please book a flight ticket for me?

ASSISTANT: Sure, may I know your journey dates?

USER: Thank you for your positive response, I want to take off on 04/18 and please confirm my return ticket also on 04/20.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I want 1 halt in between my journey.

ASSISTANT: Can you share your airport codes?

USER: I want to fly from PHX and destination airport is OAK.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Sorry, there is no connecting flight found on your given dates.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.