You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I would like to fly from LAX, will you please assist me in booking a flight ticket to PHL?

ASSISTANT: Sure, I am here to help you. Could you please share your travel dates?

USER: My travel dates are May 1st and May 3rd.

ASSISTANT: May I know your connection limit?

USER: Yes, I prefer to travel in single connection.

ASSISTANT: Do you have any specifications?

USER: The airline preference should be normal-cost.

ASSISTANT: May I know your name please?

USER: Amanda Smith is here.

ASSISTANT: Sorry, there are no flights found on your travel dates.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for choosing us.