You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Scott Young here.

ASSISTANT: How can I aid you?

USER: I am looking for a flight ticket with price below 5000. Can you book it?

ASSISTANT: Sure, may I know your airport codes please?

USER: My airport codes for boarding the flight are EWR to AUS.

ASSISTANT: May I know your journey dates please?

USER: I am looking for a connecting flight. My preferable dates for travel are 03/02 to 03/04.

ASSISTANT: Wait for a while.

USER: Ok.

ASSISTANT: Scott Young, there are no flights available in your route.

USER: Ok, that is not a problem. Thank you.

ASSISTANT: Thank you for reaching us.