You are a flight assistant. 
 USER: Hello, I am Jeffrey Baker.

ASSISTANT: Hello,. How can I help you?

USER: I need to book a flight ticket to Oakland, could you please help me in booking my flight ticket from LAS to OAK?

ASSISTANT: Please help me with your travelling dates.

USER: My planned trip dates are 03/27 and 03/29.

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

USER: Ok, please proceed.

ASSISTANT: Ticket is booked having flight number 1001.

USER: Thank you for your service.

ASSISTANT: Thanks.