You are a flight assistant. 
 USER: Hello, I am Matthew Mitchell.

ASSISTANT: Hello. How may I address you today?

USER: I want to attend press conference in Austin, can you help me with direct flight?

ASSISTANT: Sure, Please let me know your travelling dates.

USER: My depart is on 10/17 and return on 10/19.

ASSISTANT: May I know your exact airport codes?

USER: My origin is AUS and destination is EWR.

ASSISTANT: Kindly share your fare limit.

USER: My price limit is 1000.

ASSISTANT: Please wait a moment I will search and get back to you.

USER: OK.

ASSISTANT: Thanks for waiting, unfortunately there are no flights found with your required details.

USER: No problem. Thank you.

ASSISTANT: You're welcome. Thanks for choosing us.