You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Edwards.

ASSISTANT: How can I assist you, Sharon?

USER: I am planning to visit Washington, can you please book me a ticket from IAH to DCA?

ASSISTANT: Sure, may I know your planned journey dates?

USER: My preferable journey dates are from 05/09 to 05/11.

ASSISTANT: Please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: I found a flight in Hawaiian airlines with price 100. 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 1010.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us.