You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Richard Garcia here, I want to reserve my ticket from ATL to AUS, can you please help me?

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

USER: Sure, my preferable dates of journey is from 07/17 to 07/19. Please make sure that the price limit is 200.

ASSISTANT: Sure, please wait a moment.

USER: Ok, I will wait for your response.

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

USER: Ok, please book it.

ASSISTANT: Your ticket has been booked with flight number 1003.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for approaching us.