You are a flight assistant. 
 USER: Hello. Laura Green here.

ASSISTANT: Hello. Laura Green. How can I help you?

USER: Can you please reserve me a flight ticket from ORD to OAK?

ASSISTANT: Sure, can you provide me with your journey dates?

USER: Sure, my travel dates are from Aug 20 to Aug 22.

ASSISTANT: Do you have any travel preferences?

USER: I need to depart in the evening.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Can you give me a moment?

USER: Sure, take your time.

ASSISTANT: Southwest Airlines with flight 1006 is providing service on your route, with single connection and economy  class.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.