You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: William Carter here.

ASSISTANT: How may I help you?

USER: My preferable dates for travel are 02/21 to 02/23. Can you reserve a flight ticket to New York?

ASSISTANT: Sure, can you please share your airport codes?

USER: My airport codes for boarding the flight are EWR to LGA.

ASSISTANT: Thanks for waiting, we found a flight with your provided information in AA airline with 0 connection and the fare is 100. Shall I confirm your ticket with this airline?

USER: I am ok with this direct flight. You can book the flight ticket.

ASSISTANT: Sure, your ticket is booked in 1001 flight.

USER: Thank you.

ASSISTANT: Most welcome.