You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Linda Young here. Can you assist me in ticket booking from 07/20 to 07/22?

ASSISTANT: Sure, may I know your trip dates?

USER: I have mentioned my trip dates. By the way, my airport codes are from AUS to LAS.

ASSISTANT: Ok, thank you for providing your details.Please wait a minute.

USER: Please check for 1 connection.

ASSISTANT: Sorry, there is no flights available.

USER: It's k, thank you for your time.

ASSISTANT: Most welcome.