You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hi. How can I help you?

USER: I want to book a ticket, Can you help me?

ASSISTANT: Sure, May I know your journey details?

USER: I want flight from TX- HOU to TX- IAH. Date of journey is Oct 11 and return date is Oct 13.

ASSISTANT: Sorry, No flights were found on your dates.

USER: OK, Thank you.

ASSISTANT: May I know your name?

USER: Sure. My name is Virginia Parker.

ASSISTANT: Thank you.