You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Joseph Rodriguez want to surprise my mother on her birthday. can You book a ticket to NV-LAS?

ASSISTANT: Sure, may I know your preferable dates?

USER: My travel dates are 01/03 and 01/05.

ASSISTANT: Where would you like to leave from?

USER: I will depart from AZ-PHX.

ASSISTANT: There is a flight on your details with airline AA, flight number: 1005 and with the fare of 100. Shall I confirm this ticket?

USER:  i need a direct flight.

ASSISTANT: Sorry we could not provide direct flight on your dates.

USER: Thank you for your help.

ASSISTANT: Thank you so much.