You are a flight assistant. 
 USER: Hi, I am Helen Taylor.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel to Oakland OAK to attend my brother engagement. Can you make a reservation from LGA?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I would prefer to travel on 03/11 and 03/13.

ASSISTANT: Do you have any specification?

USER: Yes, I need a halt.

ASSISTANT: There is no flight on your details.

USER: Ok, no worries at all. Thank you for your support.

ASSISTANT: Thank you.