You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Brenda Anderson. can you please help me in booking my flight ticket from LAS to LGA?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Dec 09 and Dec 11.

ASSISTANT: At what time do you like to depart and return?

USER: I want to return to my source place at afternoon time.

ASSISTANT: Do you have any specification?

USER: I want connecting flight.

ASSISTANT: We found a connecting flight on your details United Airlines, flight number: 1013. Shall I book this ticket?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.