You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I aid you today?

USER: I am Michelle Anderson, will like to book a ticket from Atlanta, ATL to attend my sister's baby shower function. Please book flight on 12/12.

ASSISTANT: Sure, we are mirthful to help you. Let me know your airport codes.

USER: Sure. I have to reach to Philadelphia PHL.

ASSISTANT: When your willing to come back?

USER: I would like to return on 12/14.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is a flight found with a connecting flight with the fare of 100 of Delta airline of  1000 as flight number.

USER: You can proceed.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you for availing us.