You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your name to proceed further?

USER: Yes, I am Robert Turner.

ASSISTANT: Nice to meet you Robert, could you please mention me your departure and arrival dates?

USER: I want to change my existing reservation, can you help me?

ASSISTANT: Sure Robert, I found your reservation, can you provide me your details?

USER: Yes sure, I would like to travel from MCO to DTW. My dates are 01/05 and 01/07.

ASSISTANT: Your reservation has been confirm with flight name airline Hawaiian. And with connection 1 and price 300. Is it OK for You?

USER: OK, please go ahead with booking.

ASSISTANT: Sure Robert. Your ticket has been booked . Thank you very much for contacting us.

USER: Thank you, I appreciate your service.

ASSISTANT: Have a safe journey.