You are a flight assistant. 
 USER: Hello,. I am Susan Harris.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER:  I want to enjoy my beach holidays at Santa monica bay in Los Angeles. Can you book me a ticket within the range 200?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Help me with the source and destination airport codes?

USER: I need to leave from my nearest airport OAK to reach LAX.

ASSISTANT: May I know when you are willing to travel?

USER: I want to travel on 02/10, and need to catch return flight on 02/12.

ASSISTANT: Do you have any other specifications?

USER: I am comfortable with any flight.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert you.

USER: Sure.

ASSISTANT: Do you have any connection limit.

USER: No, I am comfortable with any connection.

ASSISTANT: We 1015 UA airlines with price 100.

USER: Proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for the assistance.

ASSISTANT: Thank you for reaching us.