You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Here Ruth Edwards.

ASSISTANT: Ruth, how may I aid you?

USER: I would like to travel from BOS to AUS, can you help me out in booking a flight ticket?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My travelling dates are 02/12 and 02/14.

ASSISTANT: Please hold on for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry, no flight is available on your route.

USER: That's ok, I will choose another source to reach my destination.

ASSISTANT: Thank you for reaching us.