You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am William Garcia.

ASSISTANT: How  may I help you?

USER: I would like to book a ticket to New York, can you please help me out?

ASSISTANT: Sure, I am here to help you. Can you please provide your trip dates?

USER: I am travelling on these dates 09/10 and 09/12.

ASSISTANT: Ok, please mention your travel airport codes.

USER: I am flying from DFW to LGA.

ASSISTANT: I found a flight with connection limit 1 and the price is 300 in the flight airlines Southwest. Can I proceed?

USER: Sure,  you can proceed with this flight.

ASSISTANT: Ok, your ticket is booked with the flight number 1015.

USER: Thank you for your valuable services.

ASSISTANT: Thank you for choosing us.