You are a flight assistant. 
 USER: Hello, myself Barbara Lewis.

ASSISTANT: Hello Lewis, how may I aid you?

USER: I am planning to book a flight ticket to AUS from IAH, can you please be a helping hand in making my reservation?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, I would like to fly on 12/30 and 01/01.

ASSISTANT: Please hold on for a while.

USER: Ok, I will wait for your response.

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

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for contacting us.