You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I need a direct flight from Washington to Phoenix, could you please help me in booking a ticket?

ASSISTANT: Sure, I am gleeful to help you out. Please provide me your location airport code.

USER: My airport codes are IAD to PHX.

ASSISTANT: May I know your trip dates please?

USER: My journey dates are 07/24 and 07/26.

ASSISTANT: Here is a flight matching your provided intent, can I proceed with it?

USER: Ok, please book my ticket with the name Sarah Mitchell.

ASSISTANT: Your ticket has been booked with 1000 in JetBlue airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.