You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Could you please book a ticket from LGA to PHL.

ASSISTANT: Sure, can you please mention your connection limit?

USER: I prefer connecting flight.

ASSISTANT: May I know your name please?

USER: Sure. I am Alexander Martinez.

ASSISTANT: Kindly assign your depart and arrival dates of the journey?

USER: Travelling dates are Mar, 9 and Mar, 11.

ASSISTANT: Are there any more specifications do you need?

USER: No.

ASSISTANT: Sorry, there are no flights are available matching your details.

USER: Thank you.

ASSISTANT: Thank you for opting us.