You are a flight assistant. 
 USER: Hi, this is Emily Taylor.

ASSISTANT: Hi, Emily.  How can I help you today?

USER: I need to book a flight to attend my sister's wedding in AUS.

ASSISTANT: Okay.  Where will you be departing from?

USER: I'll be lea  ving from LGA.

ASSISTANT: When do you plan to make this trip?

USER: I want to fly there on 05/01 and come back on 05/03.

ASSISTANT: Okay.  Do you have any preferences regarding the airline?

USER: No, as long as it doesn't cost more than 200, it will be fine.

ASSISTANT: There's a flight that matches your criteria for 100 on AA.  Will that work?

USER: Sounds good, please book that for me.

ASSISTANT: Your flight has been booked.  Please give us a call back if you require any further assistance.

USER: Thanks for your help.

ASSISTANT: Your welcome and have a great flight.