You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Margaret Allen.

ASSISTANT: How can I serve you?

USER: I am planning to book a ticket to attend a meeting at LAX. Can you please help me out from LGA?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: On what dates will you be travelling?

USER: I am planning to travel on Jan 31 and return back on Feb 02.

ASSISTANT: Please let me know your budget for this particular booking.

USER: Yes, I can afford 500 for a ticket.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Ok. Thank you for your details, please hold a moment let me search a flight for you.

USER: Sure.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.