You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Ruth Hernandez here. I want to reserve my flight ticket from DEN to AUS. Can you please help me in booking my ticket?

ASSISTANT: Good evening Ruth. Sure, may I know your planned journey dates?

USER: My respective travelling dates are 05/14 and 05/16.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait for you.

ASSISTANT: Ruth, I found a flight in UA airlines with price 100 available for you. Shall I book the ticket for you?

USER: Ok, but I want a direct flight, can you please check once.

ASSISTANT: There are no direct flights available, Ruth.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.