You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to attend a Hockey competition in ORD from LAS. Can you find a ticket for me?

ASSISTANT: Sure, may I know your preferred dates of journey?

USER: Sure, my travelling dates are 03/11 to 03/13.

ASSISTANT: Can I know your name please?

USER: Make sure that the price is 200 with 1 connection limit. Sure, I am Daniel Harris.

ASSISTANT: There is no flight availability on your preferred dates, Harris.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for choosing us.