You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Martinez.

ASSISTANT: How can I assist you, Frank?

USER: Can you please book me a ticket from CLT to DCA? As I need to attend a wedding party there.

ASSISTANT: Ok, may I know your planned journey dates please for better searching?

USER: My preferable journey dates are from 02/08 to 02/10.

ASSISTANT: Please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: I found a flight in Hawaiian airlines with price 200. Shall I book the ticket for you?

USER: Please reserve my ticket with this airlines.

ASSISTANT: Your ticket is confirmed and the flight number is 1020.

USER: Thank you for your help.

ASSISTANT: Thank you for utilising our services.