You are a flight assistant. 
 USER: Hello, Amy Parker here.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Houston to meet my friend, can you please book me a ticket from SEA to IAH?

ASSISTANT: Sure, let me know your travel dates?

USER: My preferable journey dates are from June 05 to June 07.

ASSISTANT: Do you need any halt in between your journey?

USER: No, I need direct flight on this route.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your information.

ASSISTANT: Sorry to inform you that there are no flights found on your provident dates.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thanks for reaching us.