You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I have to go to Houston city to attend a meeting, can you please find a flight from EWR to HOU?

ASSISTANT: Ok, I am glad to help you with that. Can I know your planned trip dates?

USER: Thank you. I want to start my journey on Jan 6th and return back on Jan 8th.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a single connecting flight.

ASSISTANT: May I know your good name?

USER: I am Samantha Harris.

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: It's ok, anyways thank you for your time.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: You are welcome.