You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Barbara Carter. I would like to visit Charlotte to meet my family members, can you please help me in booking a ticket?

ASSISTANT: Sure Carter, can I know your airport codes?

USER: The airport codes are DCA and CLT.

ASSISTANT: Can I know your travel dates?

USER: I'm interested to travel on 04/21 and 04/23.

ASSISTANT: The flight 1010 of Hawaiian airlines of price 200 and  with 1 connection is available on your requested dates. Shall I book the ticket?

USER: Please book the ticket.

ASSISTANT: Ok. Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Welcome.