You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Barbara Rodriguez.

ASSISTANT: OK.

USER: I need to book a flight ticket from WA-SEA to NV-LAS to meet my grand parents. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, we are glad to help you. Kindly assign your preferred dates of travelling?

USER: 03/31 and 04/02 are my travelling dates.

ASSISTANT: Do you have any specifications?

USER: I need a break in between the journey.

ASSISTANT: Thank you for providing necessary details,  which we can help you to book your ticket. Please be on hold let you know the information.

USER: Sure.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for approaching us, have a good day.