You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anna Campbell here.

ASSISTANT: How may I guide you today?

USER: Can you please help me in booking a flight ticket from SEA to AUS?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: Sure, my travel dates are from 08/23 to 08/25.

ASSISTANT: Please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.