You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Ronald Nelson here.

ASSISTANT: How may I help you?

USER:  I am a journalist, I have to interview a politician in New York. Could you book my ticket from AUS to JFK?

ASSISTANT: Please provide your trip dates.

USER: Sure, I want to fly on 10/15 and back on 10/17.

ASSISTANT: Sure, please wait a minute.

USER: Ok, take your time.

ASSISTANT: There is no flight available on these route.

USER: Ok, no problem.

ASSISTANT: Thank you to approach us.

USER: Thank you for checking.