You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Anderson.

ASSISTANT: How can I help you?

USER: I want to meet my friend in Philadelphia, can you please help me in booking?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please provide me your travelling dates?

USER: My planning dates are from 07/08 till 07/10.

ASSISTANT: Ok, may I know your airport codes?

USER: I want to fly from OAK to PHL.

ASSISTANT: There is one flight is available for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1021 and airline is Spirit.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.