You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Charles Roberts. I want to book a ticket from IAH to LAX, can you find a flight for me?

ASSISTANT: Sure Charles, can I know the travel dates please?

USER: Sure, my trip dates should be 08/05 and 08/07.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian airline with price 100, can I book it?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight number 1004.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us.