You are a flight assistant. 
 USER: Hello, I am Edward Martinez.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am planning to visit Redwood regional park in Oakland CA - OAK, can you please help me to book a flight ticket from SFO?

ASSISTANT: Sure, I am euphoric to help you. Can you please share your itinerary dates?

USER: My journey dates are 07/09 to 07/11.

ASSISTANT: Please let me know if you need a connecting flight in between your journey routes.

USER: I am comfortable with any flight.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found from SFO to reach OAK.

USER: Ok, no issues. Thank you for your kind information.

ASSISTANT: Thank you for choosing us.