You are a flight assistant. 
 USER: Hello. Is this a flight booking agency?

ASSISTANT: Yes, welcome to UB agency. How can I assist you?

USER: I have been assigned a work on Space works, I would like to visit Michigan Science Center. Can you help me in booking a ticket?

ASSISTANT: Oh! that's great, may I know the dates in which you are planning to travel?

USER: I am planning in the month of March. So, please find the availability on dates 03/05 and 03/07.

ASSISTANT: Well, can you please help me with the airport codes?

USER: They are OAK and DTW respectively.

ASSISTANT: There is a flight available to serve you, you need to pay 100 as your travel charge. Shall I proceed booking?

USER: Yes, please.

ASSISTANT: I have successfully confirmed your reservation with flight-1004 from Hawaiian airline, have a safe flight. I require your name to complete the process.

USER: My name is Margaret Perez. Thank you for your help.

ASSISTANT: Fine, thank you for choosing us to assist you.