You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Marissa Williams.

ASSISTANT: Welcome to our ABC travelling agency. Williams, nice to meet you.

USER: I am looking for a flight ticket, to meet my family members.Can you help me out to book a ticket?

ASSISTANT: That's nice, could you please mention your details of travel for booking a ticket?

USER: Sure, my airport codes are LAS to PHX.

ASSISTANT: Ok, may I know your preferable dates of travel please?

USER: My preferable dates are 05/04 to 05/06. Make sure that my connection limit is 1.

ASSISTANT: The flight with connection is 0 and cost 200 for this flight has found. Shall I book this ticket?

USER: Yes, you can proceed the booking.

ASSISTANT: Sorry, there is no flight with connection is 1.

USER: That's fine. Thank you for your help.

ASSISTANT: You are welcome.