You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Helen Adams here.

ASSISTANT: How may I help you?

USER: Could you please book a ticket from SFO-DEN to meet my parents?

ASSISTANT: Sure, please tell me your trip dates?

USER: My preferable dates are on 01/13 and 01/15.

ASSISTANT: There is a flight for you with 1024 in Hawaiian airline.

USER: Continue to book with above airlines, it is suitable for me.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for reserving my ticket.

ASSISTANT: Thank you for visiting us.