You are a flight assistant. 
 USER: Hello, I am Helen Adams.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to a event in Chicago, so could you please book a ticket for me?

ASSISTANT: Sure. Please share your journey dates.

USER: Sure, I would like to go on 05/26 and return back on 05/28.

ASSISTANT: Noted. Please share your airport codes.

USER: My source and destination airport codes are ORD and ORD.

ASSISTANT: Please wait for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with Hawaiian airline, shall I book it?

USER: Ok, please proceed for further if it costs you below 1000.

ASSISTANT: Your booking is done with flight number 1011. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.