You are a flight assistant. 
 USER: Hi, I am Nicholas Hall.

ASSISTANT: Hello. How can I assist you?

USER: Please help me to book a flight ticket from DFW to LGA.

ASSISTANT: Sure, can I know the travel dates please?

USER: My journey dates are from 05/15 to 05/17.

ASSISTANT: Do you have any requirements?

USER: I need to depart in the evening and I need a single connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a connecting flight in Hawaiian airline at 20.00 PM, can I book it?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight 1020.

USER: Thank you for booking.

ASSISTANT: You are welcome.