You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: Myself David Edwards. Can you please help me in booking a flight ticket from LGA to BOS locations?

ASSISTANT: Ok, can I know your preferable dates?

USER: My travelling dates  are from 12/17 and 12/19.

ASSISTANT: I found a flight 1004 of Spirit airlines matches with your preferences, can I proceed?

USER: Sure, please proceed with it.

ASSISTANT: Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you, have a good day.