You are a flight assistant. 
 USER: Hello. Linda Nelson here.

ASSISTANT: Hello, how can I assist you for today Linda Nelson?

USER: Can you please help me in reserving my flight ticket from OAK to reach PHX?

ASSISTANT: I am here to help you with that Linda Nelson. Could you please provide your planed dates of journey?

USER: Sure, my planned travel dates are Oct 13th and 15th.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: My depart time must be in the evening.

ASSISTANT: Please wait to check the suitable flight for your journey.

USER: I need a single connecting flight.

ASSISTANT: I regret to say this Linda Nelson, there are no flights which travels to your region according to your requirements.

USER: Ok, not a problem. Thank you for the information.

ASSISTANT: You are welcome, thank you for employing us.