You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Edward Miller.

ASSISTANT: How may I help you now?

USER: I want to book a ticket from AUS to MSP, can you help me?

ASSISTANT: Can you please provide your travelling dates?

USER: My travel dates are 04/25 and 04/27.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Sorry, there are no flight available on your respective dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for approaching us.