You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Please book a ticket from PHX to attend an interview.

ASSISTANT: Sure, to book a ticket may I know your destination code please?

USER: Sure, my destination is Washington, IAD.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are May 31 and June 2.

ASSISTANT: Is there any airline preference for you?

USER: Yes, I prefer normal-cost airline.

ASSISTANT: Do you need any other requirements?

USER: Yes, I want single connected flight.

ASSISTANT: According to your given information, we have found a flight with an United airlines of flight 1029 in an economy class with single connection. Can I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked. May I know your name please?

USER: Ok, I am Nicholas Hernandez. Thank you.

ASSISTANT: Thank you for choosing us.