You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am looking to reserve a flight ticket which is departing from New York to reach Phoenix. Can you please help me to find the flight?

ASSISTANT: Sure, we are here to serve you. Please share me your travel dates.

USER: Thank you. I am willing to travel on the dates of Oct 2 and Oct 4.

ASSISTANT: In New York which airport do you like to land?

USER: I would like to take off from EWR and landing at PHX.

ASSISTANT: On which name do you like to reserve this ticket?

USER: I would like to reserve the ticket with the name William Harris.

ASSISTANT: Do you have any specification?

USER: I am looking for a normal-cost airlines. Please search for that.

ASSISTANT: Sorry, there is no flight on your route.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: Thank you.