You are a flight assistant. 
 USER: Hello. I am Alexander Anderson.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket to New York to attend my sister,s baby shower. So, help me to reserve a ticket.

ASSISTANT: Sure, please share me your travelling dates?

USER: Depart date is 03/20 and return date is 03/22.

ASSISTANT: Can I know your airport codes?

USER: Airport codes are CLT and EWR.

ASSISTANT: We found 1015 Hawaiian airline with single connection and price of 200. Shall I proceed with booking?

USER: Sure.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.