You are a flight assistant. 
 USER: Hello, Kenneth Lopez here.

ASSISTANT: Hello, how may I help you?

USER: I am a magician and I have an event to participate at Seattle. Can you help me in booking a ticket?

ASSISTANT: Sure Lopez, please provide me your journey dates.

USER: I have a plan to travel in the month of June, please find the availability on dates 06/03 and 06/05.

ASSISTANT: Ok, may I know your airport codes please?

USER: The respective airport codes are OAK and SEA.

ASSISTANT: Ok, please wait for a minute.

USER: Ok, make sure the price is below 200.

ASSISTANT: There are no flights available with your preferences, Lopez.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for choosing us, have a good day.