You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Could you please book a ticket on 01/30 and return on 02/01?

ASSISTANT: Sure, may I know your source and destination?

USER: My source is Washington, IAD and destination is Phoenix, PHX.

ASSISTANT: Please provide me your name.

USER: My name is Christine Turner.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1003, price: 100 with one connection.

USER: Do not proceed with booking, I need a direct flight.

ASSISTANT: Sorry, no direct flights found with your given details.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.