You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for the day?

USER: I am Amanda Thompson. Can you help me to book a flight from IAD on 06/19? Because I have business meeting.

ASSISTANT: Amanda Thompson, can you tell me your destination details for this following trip please?

USER: I would like to return from LGA on 06/21.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Do you prefer any connection limit?

USER: I need a connecting flight.

ASSISTANT: Sorry, there are only 0 connections currently available for your requested route. Sorry for the inconvenience by our agency.

USER: Oh! not an issue.

ASSISTANT: Have a great day ahead Amanda.

USER: Thank you for your time.