You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Robert Harris, can you help me searching flight with connection 1?

ASSISTANT: Sure, please provide your journey airport codes.

USER: My journey airport codes are DFW to LAS.

ASSISTANT: Ok, Let me know your journey dates.

USER: I am going to start my journey on 01/17 and I am going to return on 01/19.

ASSISTANT: Ok, May I know the connection limit?

USER: Provide flight with connection 1.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait for your reply.

ASSISTANT: Thank you for your time, we found a flight with two connections.

USER: I want connection 1.

ASSISTANT: Sorry, we did not find any flight with one connection.

USER: Oh! It's ok, no problem, thank you for your services.

ASSISTANT: Thank you for choosing us.