You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Stephen Parker here.

ASSISTANT: How may I assist you?

USER: I would like to book a ticket from DFW to ORD, can you please help me with that?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: The travel dates are from 03/18 to 03/20.

ASSISTANT: Do you prefer any halt?

USER: I need a halt.

ASSISTANT: Hawaiian airlines is available in your route with the ticket fare of 300, shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight-1020.

USER: Thank you.

ASSISTANT: Thank you for reaching us.