You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Helen Garcia here.

ASSISTANT: In which way I can aid you at this moment?

USER: My preferable dates for travel are 07/15 to 07/17. Can you reserve a flight ticket to Oakland?

ASSISTANT: Sure, I am happy to aid you in booking flight ticket. Could you please mention your preferable airport code names for further process?

USER: My airport codes for boarding the flight are LGA to OAK.

ASSISTANT: Thank you for providing your travel details, please hold on a moment, I will check flight availability in this route.

USER: Sure.

ASSISTANT: There is a flight available in this route as per your requested dates, airline is AA and connection limit of this airline is 1 with minimum fare of 100. Are you comfortable with this flight?

USER: I am fine with the fare. You can book the flight ticket.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1017.

USER: Thank you.

ASSISTANT: You are welcome Helen Garcia.