You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to book a flight ticket to MSP from DCA, can you please help me out?

ASSISTANT: Sure, please provide your travel dates.

USER: Sure, my planned travelling dates are Apr 28 and Apr 30.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is George Evans.

ASSISTANT: Flight-1011 is available in UA airlines with zero connection and the ticket fare is 100. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.