You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. HOw may I serve you at this moment?

USER: Please, reserve me a direct flight to Boston, BOS for attending a emergency meeting with client.

ASSISTANT: Sure, please tell me your preferred travelling dates?

USER: I will start to Boston, BOS on 04/27. I will return on 04/29.

ASSISTANT: Ok, share your source airport code?

USER: My source airport is Oakland, OAK.

ASSISTANT: May I know your good name please?

USER: I am Kathleen Perez.

ASSISTANT: We found a Spirit airline with fare of 100 matches your schedule. Shall I proceed with booking?

USER: Proceed with my booking.

ASSISTANT: Your ticket has been confirmed with flight number 1002.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.