You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Sarah Moore here, I want to reserve my ticket from AUS to LAS, can you please help me in booking?

ASSISTANT: Sure, I am glad to help you. May I know your itinerary dates?

USER: Ok, my planned dates of journey are from Jan, 29 to Jan, 31.

ASSISTANT: Which class do you prefer?

USER: Yes, I need a economy class.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please give me a moment to check for a best flight on your route.

USER: Sure, I will wait.

ASSISTANT: May I know your name?

USER: I have mentioned.

ASSISTANT: Sorry Sarah Moore, no flights are available on your route.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for approaching us.