You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Davis.

ASSISTANT: How can I help you today?

USER: I would like t book a flight ticket from DFW to IAH to buy a car. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I intend to fly on Jan 15 and Jan 17.

ASSISTANT: Sorry, we couldn't found any flights for you.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.