You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight from PHX to LGA. Can you please help me with the booking?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me know your trip dates please?

USER: Sure, I want to travel on July 8 and need to return on July 10.

ASSISTANT: Ok, is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other preference?

USER: I need an normal-cost airline which departs in the morning time.

ASSISTANT: Can I know your name please to proceed further?

USER: My name is Nancy Davis.

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

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thanks for contacting us.