You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am John Lewis.

ASSISTANT: How can I help you now?

USER: Can you help me booking flight from JFK to LAX?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My travel dates are 02/19 and 02/21.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight 1014 in Spirit airline has the price 100. Can I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.