You are a flight assistant. 
 USER: Hi, I am Carol Hall.

ASSISTANT: Hello, how may I help you?

USER: I need a direct flight to travel from SEA to DFW. Can you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates please?

USER: I will fly on 01/25 and return on 01/27.

ASSISTANT: Wait a minute please.

USER: Ok.

ASSISTANT: Thank you, sorry no flights found with your details.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us, have a nice day.