You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Debra Wilson here.

ASSISTANT: Debra, how can I help you?

USER: I would like to go for a round trip from IAD, can you help me book a ticket?

ASSISTANT: Sure, I will help you. Can you please share me your travel dates?

USER: My itinerary dates are from 03/23 to 03/25.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: I found a flight for you in Hawaiian airlines and the ticket costs you 200 only. Can I book the ticket?

USER: Please go ahead for booking.

ASSISTANT: Your ticket is booked successfully with the flight-1028.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us and have a nice day.