You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel to Washington, IAD. So please help me to book a flight ticket on 05/03.

ASSISTANT: Ok. Can you tell me your current location?

USER: My source location is Austin, AUS. The return date might be 05/05.

ASSISTANT: Ok. Please wait a minute.

USER: Ok.

ASSISTANT: I got a flight with 2 connection. Is it ok with you?

USER: Can you please check for connection 1?

ASSISTANT: Sorry, but there is no single connecting flight.

USER: It's ok. Thank you for the information.

ASSISTANT: Can I know your name please?

USER: I am Betty King.

ASSISTANT: Thank you.