You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I want to fly to CA to attend my sister's marriage on 05/19 and my return date will be on 05/21, can you please help me in booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your airport codes?

USER: My boarding and landing airport codes are DEN and SFO.

ASSISTANT: May I know your name?

USER: I am Emma Lee.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight for this time.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Hawaiian airline with connecting flight and number 1007 fare of 200, Shall I proceed for booking?

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for assistance in booking.

ASSISTANT: Thanks for approaching us.