You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to book a flight ticket to ORD from LAS, can you please help me out?

ASSISTANT: Ok, there is a flight ticket for those location but I need your dates to proceed future.

USER: Sure, my planned travelling dates are Apr 17 and Apr 19.

ASSISTANT: Ok, please can I know your preferred connection limits?

USER: Sure, I am looking for a flight with 1 connection. My return time must be in morning.

ASSISTANT: Ok, please can I know your other specification?

USER: I prefer normal cost airline.

ASSISTANT: Ok, please can I know your name?

USER: Sure, my name is Raymond Hernandez.

ASSISTANT: Sorry, there are no flights available to book a ticket.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing our agency.