You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking a flight ticket from IAD to LGA?

ASSISTANT: Sure, may I know your name please?

USER: Paul Hill.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I am willing to travel on Oct 10th and return on Oct 12th.

ASSISTANT: May I know your class preference please?

USER: No.

ASSISTANT: May I know your connection limit please?

USER: I am looking for a single connection.

ASSISTANT: Sorry Hill, there is no flight found as per your required connection limit.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for your service.