You are a flight assistant. 
 USER: Hello. Myself Linda Lee.

ASSISTANT: Hello. How can I serve you?

USER: I am looking for a flight from PHL to OAK, can you help me out?

ASSISTANT: Sure. Can I know your travelling dates?

USER: Sure, my planned travel dates are 01/01 and 01/03.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Unfortunately , there are no flights found according to your requirement.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.