You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am Helen Parker. I want a flight ticket from ORD to PHL, can you please book a ticket if it is available?

ASSISTANT: Can I know your travel dates?

USER: My travelling dates are 01/05 to 01/07.

ASSISTANT: I found a flight by Hawaiian airlines, flight-1009. Shall I book it?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.