You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am Nicole Martin. I would like to visit Austin next week. Can you please book a flight ticket from BOS to AUS?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Thank you for your positive response, I want to take off on 04/09 and please confirm my return ticket also on 04/11.

ASSISTANT: Sorry, there is no reservation in your route with your travel dates.

USER: Oh! It's ok no problem. Thank you for your information.