You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Donna Nelson.

ASSISTANT: How can I help you?

USER: I need to attend an interview in HQ software at Minneapolis & St, Paul, MSP. Please book a flight ticket.

ASSISTANT: Sure, please mention your scheduled dates?

USER: My travelling dates are from 06/04 to 06/06.

ASSISTANT: Ok, where you want to board from?

USER: My source code is IAD.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: I found a connecting flight with flight number 1001 and airline UA. Shall I proceed?

USER: Please book it.

ASSISTANT: Your flight booking is done.

USER: Thank you.

ASSISTANT: Thanks for choosing us.