You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can I know your concern?

USER: I am looking for a flight from HOU to DFW, can you please help me in booking?

ASSISTANT: Ok, please can you provide me the dates of journey you had planned?

USER: Sure, my planned travel dates are June 09 and June 11.

ASSISTANT: Yes, can I know your other intents too?

USER: I would like to depart for the evening flight.

ASSISTANT: Ok, please wait a moment. I will check and provide the best flight available.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there are no flights available as per your intents which you had provided.

USER: That's ok, no problem.

ASSISTANT: Can I know your name for database purposes?

USER: Myself Joseph Lewis.

ASSISTANT: Ok, thank you for connecting our agency.