You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Catherine Rodriguez here.

ASSISTANT: How can I assist you now?

USER: Find a flight ticket for me that is from IAD to AUS.

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: Ok. I want to travel on dates 11/09 to 11/11.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1017 in Frontier airline has the price 100. Can I proceed with this booking?

USER: Yes, I am ok with this flight.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.