You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Michelle Roberts here.

ASSISTANT: Roberts, how may I help you?

USER: I need your help in booking of a flight ticket from IAH to ATL for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, I am planning to move on 10/06 and please book my return ticket on 10/08.

ASSISTANT: Please hold on for a moment.

USER: Sure.

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

USER: Oh! So sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thank you for contacting us.