You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, this is flight booking agency. How may I help you?

USER: I am Andrew Evans.

ASSISTANT: Nice to meet you Andrew.

USER: I am Planning to attend Graduation ceremony in LGA, can you help in booking a ticket?

ASSISTANT: Sure. Please help me with your journey dates?

USER: My date of journey on 04/09. I will be back on 04/11.

ASSISTANT: Please tell me your source airport code?

USER: My source code is OAK.

ASSISTANT: Ok, can you wait for a moment please?

USER: Sure.

ASSISTANT: Nice to inform you that I found UA airlines with one connection.

USER: Ok.

ASSISTANT: I am booking the ticket for you. Is it fine?

USER: Yes, proceed for booking.

ASSISTANT: Your reservation of flight ticket has been confirmed. Thank you for reaching to us.

USER: Thank you for helping me in booking.