You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joseph Walker.

ASSISTANT: How may I aid you today?

USER: Can you help me in booking from LAX to AUS, as I need to attend my brother convocation?

ASSISTANT: May I know your journey dates?

USER: My travelling dates are 04/30 to 05/02.

ASSISTANT: Wait for a minute.

USER: Sure.

ASSISTANT: I found a ticket for you with price 700, flight number is 1028 and connection is 1. Is it ok for you?

USER: Don't book it, My fare is 200.

ASSISTANT: I  am sorry to say that there is no flight found under your details.

USER: No issue, thank you.

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