You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Margaret Jackson. I need to book a ticket to meet my friend and his sister for attending the function in New york. Could you please help me in booking a ticket from IAD?

ASSISTANT: Sure, Can you provide me your trip dates please?

USER: Sure, my travelling dates are 07/15 and return on 07/17.

ASSISTANT: Let me know your landing point point?

USER: My destination code is EWR.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Sorry, there is no flight on your connection limit.

USER: No problem, thank you for your valuable information.

ASSISTANT: Thanks for choosing us.