You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dennis Garcia.

ASSISTANT: How may I help you today?

USER: I need to schedule my trip to Dallas for attending a business meeting. Can you please help in booking the ticket from HOU to DFW?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable journey dates?

USER: I am willing to travel on 08/31 and again I will be return back on 09/02.

ASSISTANT: Please wait for a minute. I am sorry to say that there is no flight found under your details.

USER: Not an issue, anyhow thank you very much for your help.

ASSISTANT: Thank you for reaching us.