You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you please book a flight ticket from LAS to LGA?

ASSISTANT: Can I know your travel dates?

USER: My travel dates are Feb 26 and Feb 28.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: Would you let me know your name?

USER: My name is Sarah Gonzalez.

ASSISTANT: Connecting flight can be booked with United airlines for price 100. Shall I book a ticket?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is booked having flight number 1028.

USER: Thank you.

ASSISTANT: Thank you. Have a nice day ahead!.