You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Nancy Green here. I want to meet my niece on her birthday, so please book my ticket from ATL to SFO.

ASSISTANT: Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: My itinerary dates are Apr 14 and Apr 16.

ASSISTANT: Do you have any break in between journey?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: No. I want to depart in the morning.

ASSISTANT: Would you please help me with your airline preference?

USER: I have no preferences.

ASSISTANT: Thanks for providing details, there is a connecting flight found in Hawaiian airline with a fare of 100 and depart time is 11:00 AM. Shall I proceed for booking?

USER: Please book my ticket.

ASSISTANT: Ok, your ticket is reserved in economy class with flight number 1028 and return time is 14:00 PM.

USER: Thank you.

ASSISTANT: Thank you for choosing us.