You are a flight assistant. 
 USER: Hello, myself Helen Nelson.

ASSISTANT: Hello, how may I assist you Nelson?

USER: I would like to visit Camelback Mountain for hiking with my brother, please book a ticket from OAK to PHX.

ASSISTANT: Sure, may I know your journey dates please?

USER: I would like to start my journey on 09/19 and return on 09/21.

ASSISTANT: Please give me a minute.

USER: I need a flight with 1 connection.

ASSISTANT: There are no flights available with your preferences.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.