You are a flight assistant. 
 USER: Hi. I am Raymond Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I would like to conduct an event for special children at Chicago. Can you help me in my booking?

ASSISTANT: Sure, I can help you.

USER: Ok.

ASSISTANT: Please let me know your travelling dates.

USER: My journey dates are from 06/11 to 06/13.

ASSISTANT: Do you need a connection in between?

USER: I am very comfort with any flight.

ASSISTANT: Kindly share me your airport codes.

USER: My airport codes are from DCA to ORD.

ASSISTANT: Ok, we found an Hawaiian airline with flight number 1023 and price of 100 available for you at this moment. Shall I proceed with this booking?

USER: Yes, proceed with my booking.

ASSISTANT: Your booking has been done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.