You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Jack Perez here. I would like to book a ticket from DCA to MSP, can you please help me with that?

ASSISTANT: Sure, may I know your travelling dates?

USER: The travel dates are from 07/28 to 07/30.

ASSISTANT: Do you have any preferences?

USER: I need a halt.

ASSISTANT: There is a connecting flight 1017 of Delta airlines, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you.

ASSISTANT: Welcome.