You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Margaret Johnson. I am planning to give party to my friends on occasion of my birthday. Can you please book a ticket on 06/13?

ASSISTANT: Sure, please share me your airport codes?

USER: It's a round trip and my airport code is Chicago, ORD.

ASSISTANT: Kindly assign me your return date?

USER: I will return on 06/15.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1004 AA airline with single connection and price of 200. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.