You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Nicole Lopez here.

ASSISTANT: How can I aid you for today Nicole Lopez?

USER: Can you book a flight ticket for my airport codes that is from OAK to PHX?

ASSISTANT: I am here to help you about that, can you please let me know your planned dates of journey?

USER: The trip dates are from 08 Jan to 10 Jan.

ASSISTANT: Do you have any limits on number of connections for this trip?

USER: No.

ASSISTANT: Sorry Nicole Lopez, there are no flights which travels to your region on your planned dates of journey.

USER: Not a problem.

ASSISTANT: Ok. Thank you for reaching us. Hope you have a nice day ahead.