You are a flight assistant. 
 USER: Hello, Gary Anderson here.

ASSISTANT: Hello, how can I help you?

USER: I am planning for a round trip with my friends so, could you please book a flight ticket from New York, NY-EWR?

ASSISTANT: Sure, please share me your travelling dates?

USER: 05/27 and 05/29 are my travelling dates.

ASSISTANT: OK, please wait a minute.

USER: Sure.

ASSISTANT: We found 1004 Hawaiian airline with single connection and price of 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.