You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Moore.

ASSISTANT: How may I guide you today?

USER: I want to make a reservation from ORD to AUS, Can you help me?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My travel dates are on 09/20 and 09/22.

ASSISTANT: Do you have any class preference?

USER: No.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.