You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to attend memorial service award function at any cost. Can you book the flight?

ASSISTANT: Ok, can you provide me your travelling details?

USER: My travelling dates are 05/31 and 06/02. I need to fly from AUS to DFW.

ASSISTANT: Ok, please wait for few minutes, let me check the details.

USER: Sure, I will wait.

ASSISTANT: Can, I know your good name?

USER: My name is Betty Martinez.

ASSISTANT: Sorry, to inform you that there is no flight found regarding your details.

USER: Ok, Thank you.

ASSISTANT: Thank you, for reaching us.