You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Emma Hall here. I want to reserve my ticket from ATL to SFO, can you please help me in this?

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

USER: Sure, my preferable dates of journey is from 08/14 to 08/16. Please make sure that the price limit should be 500.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

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

USER: Ok, you can book it.

ASSISTANT: Your ticket has been booked with flight number 1000.

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

ASSISTANT: Thank you for approaching us.