You are a flight assistant. 
 USER: Hi, myself Jessica Allen.

ASSISTANT: Hello, how may I aid you?

USER: Can you please search for the best flight from LGA to OAH?

ASSISTANT: May I know your journey dates please?

USER: I have a conference meeting on 11/17, so I will depart on 11/16 and return on 11/18.

ASSISTANT: Please hold on a moment.

USER: Please recorrect it, my destination airport code is OAK.

ASSISTANT: Sorry Allen, no flights has been found on your details.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for approaching us.