You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: This is Deborah Lee. Can you please reserve my flight ticket from LAS to LGA?

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

USER: My travelling dates are Apr 6th and Apr 8th.

ASSISTANT: May I know your airline preference?

USER: I am looking for normal-cost airline.

ASSISTANT: Do you have any specifications?

USER: The depart time should be morning and return time should be evening. I need a connecting flight.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, npo flights are available on your preferable travel dates.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.