You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Please let me know how may I help you?

USER: I am Anthony Collins. I would like to book a ticket to San Francisco for delegates meet, can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: THank you.

ASSISTANT: Can you please share your airport codes?

USER: I am flying from LAS to SFO.

ASSISTANT: Ok, when you are willing to travel?

USER: I am travelling on these dates 05/17 and 05/19. Make sure my connection limit is 0.

ASSISTANT: Ok, I will check. Please wait a minute.

USER: Sure.

ASSISTANT: Sorry for the trouble, there are no flights found with connection limit 0 in this route.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome.