You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I have to attend a photo shoot, can you please book a ticket from LGA to PHX?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Sure, my planned departure and return travel dates are 21st and 23rd of April.

ASSISTANT: Ok, may I know your airline preference?

USER: Yes, I prefer normal-cost airlines to travel.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: Both are ok for me.

ASSISTANT: Ok, could I have your name please?

USER: Yes, my name is Barbara Carter.

ASSISTANT: The economy class with flight number 1003 of American Airlines is available having fare as 100 and connection as 1, is it ok for you?

USER: That's fine, you can proceed for booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 4:00 AM and the arrival time is 1:00 AM.

USER: Thank you so much for your help.

ASSISTANT: You are welcome, have a great day.