You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Hill.

ASSISTANT: How can I help you today?

USER: I am planning to visit Oakland OAK from PHX. Can you find a flight ticket for me?

ASSISTANT: Sure, I am here to help you in booking process. Can you please share your travel dates?

USER: Thank you. my journey dates are on July 03 and return on July 05.

ASSISTANT: Do you have any specification?

USER: Yes, I need a single connecting flight.

ASSISTANT: Sorry, no flights are available on your particular travel dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.