You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I need to book a flight ticket from LGA to SFO, can you help me in booking a flight ticket?

ASSISTANT: Sure, may I know the planned travel dates?

USER: Sure, my scheduled dates are Mar 27 and Mar 29.

ASSISTANT: Please provide me the specifications.

USER: No specifications you can proceed further.

ASSISTANT: May I know the name?

USER: Sure, Donald Walker here.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1003 in Delta Airlines.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.