You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Margaret Wright, can you help me to find a flight from OAK to PHL?

ASSISTANT: Sure, I am oblige to help you with that. Can you please provide your planned dates of travelling?

USER: My travel dates are 01/17 and 01/19.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you that there are no flights moving to your region on your planned dates of travelling.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for approaching us, hope you have a great day.