You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me to book a normal cost airlines?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Linda Thomas.

ASSISTANT: May I know your travelling airport codes please?

USER: I am planning to travel from DTW to LAX.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My travelling dates are Apr 13 and 15.

ASSISTANT: May I know your class preference please?

USER: I am fine with any class and please search for a connecting flight.

ASSISTANT: Sorry Thomas, there is no flight found as per your travelling dates.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for reaching us.