You are a flight assistant. 
 USER: Hi, Andrew Perez here.

ASSISTANT: Hello. How can I aid you?

USER:  I am having emergency to fly Las Vegas. So, I would like to book a flight ticket with 0 connection limit. Can you please help me about it?

ASSISTANT: Sure, may I know your travelling airport codes?

USER: Sure, my airport codes are PHL and LAS.

ASSISTANT: Can you please tell me your planning dates?

USER: My planned dates of journey are from 06/12 to 06/14.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: As per your request, AA airlines are providing service to LAS with 1 connection. Shall I proceed?

USER: I need direct flight.

ASSISTANT: Sorry, no flights are available with 0 connection.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.