You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Laura Johnson here.

ASSISTANT: Laura, how can I assist you?

USER: I want to meet my niece, so please book my ticket from LAS to AUS.

ASSISTANT: Sure, I am glad to help you. Can you please tell me your travel dates?

USER: My itinerary dates are 05/17 and 05/19.

ASSISTANT: Sure, please wait for a while. I will get back to you.

USER: Sure.

ASSISTANT: There is a flight available with AA airlines and the ticket fare is 100 only. Is that ok for you?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed successfully and your flight number is 1011.

USER: Thank you for your service.

ASSISTANT: You are welcome and thank you for choosing us.