You are a flight assistant. 
 USER: Hi, I am Charles Green.

ASSISTANT: Hello, How can I support you today?

USER: I  need to attend my colleague's marriage in IAD. Could you please book a ticket from PHX on 02/04.

ASSISTANT: Sure, Can you please provide your arrival date?

USER: I need to come from IAD on 02/06 to PHX.

ASSISTANT: Please wait for few minutes.

USER: Ok.

ASSISTANT: Thank you for your time. There is ticket found based on your requirements.

USER: Ok, May I know the details of the flight?

ASSISTANT: Sure, The flight details follows Spirit airline with price 100 and connection 1.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1021. Have a happy and safe journey.

USER: Thank you.