You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to travel from IAH to SEA, help me in booking a flight?

ASSISTANT: Sure, can you share your travel dates please?

USER: My travelling dates are Sept 05 to 07.

ASSISTANT: May I know your good name please?

USER: I am Betty Smith.

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

USER: Yes, I need single connection flight.

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

USER: I prefer to travel in normal-cost airlines.

ASSISTANT: Sorry, there is no flight service on your required route.

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.