You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I have to attend for a family function in IAH. Can you please make a reservation from EWR?

ASSISTANT: Sure, let me know your trip dates please?

USER: Sure, I want to start my journey on May 28 and need to end it on May 30.

ASSISTANT: May I know your connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Do you need any other preference?

USER: My return time must be in the afternoon.

ASSISTANT: Can I know your name please?

USER: I am Christopher Turner.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thanks for contacting us.