You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I would like to attend a music concert at DFW, can you please book me a ticket from LGA?

ASSISTANT: May I know your travel dates?

USER: I want to start my journey on Dec 8th and return on Dec 10th.

ASSISTANT: May I know your connection limit?

USER: I want a single connection in between my journey.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Is there any other preference?

USER: No.

ASSISTANT: No flights found as per your preferences.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you. May I know your name please for record purpose?

USER: I am Ryan Johnson.

ASSISTANT: Thank you so much.

USER: Thank you.