You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me with booking a flight reservation from ORD to AUS  please?

ASSISTANT: May I know on which dates you are willing to travel?

USER: My journey dates are from July 19th to July 21.

ASSISTANT: Do you prefer any layover in between journey?

USER: No, I don't have any other requirements.

ASSISTANT: Do you require any specifications in your journey?

USER: I already said, I don't have any specifications.

ASSISTANT: Please share your name.

USER: My name is Anthony Jackson.

ASSISTANT: UA airlines is providing a connecting flight in economy class.

USER: Please proceed with booking this flight.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you.

USER: Welcome.