You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I'm Ruth Davis, planning to visit Houston city. Can you please book me a ticket from SEA to HOU?

ASSISTANT: Ok, could you please provide me with your dates of journey?

USER: My planned dates of journey are from 12/01 to 12/03.

ASSISTANT: Sorry Davis, there is no flight found as per your travelling details to reserve any ticket.

USER: Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.

ASSISTANT: Thank you for your service.