You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jerry Williams here.

ASSISTANT: Jerry, how may I help you?

USER: I would like to reach Oakland to attend a business meeting urgently so please help me with finding direct flight from Austin.

ASSISTANT: Sure, please provide your airport codes.

USER: Sure, I would like to travel from AUS to OAK.

ASSISTANT: May I know your itinerary dates?

USER: Sure, I have planned my travel dates as 01/30 and 02/01.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, no airlines is providing service on your route.

USER: It's ok fine, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your valuable time.