You are a flight assistant. 
 USER: Hi, Raymond Adams here.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket from SEA to IAH to enjoy Innovation festivals. Can you help me in booking a connected flight?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my scheduled dates are 13 Mar and 15 Mar.

ASSISTANT: Do you have any other specifications to be met?

USER: I would prefer depart time at afternoon. And I need a normal-cost airline.

ASSISTANT: Are you looking for any class preferences?

USER: No.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, no worries at all. Thank you for your information.

ASSISTANT: Thank you for choosing us.