You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please check for the flights for my journey from IAH to EWR?

ASSISTANT: Sure, could you please provide your preferred dates of journey?

USER: My journey dates are from May 30th to June 1st.

ASSISTANT: Do you prefer a way station in between your journey?

USER: Yes, 1 connection flight is ok for me.

ASSISTANT: Ok, do you have any class preference?

USER: I need a normal cost airline.

ASSISTANT: Is there any other specifications?

USER: No, thanks for asking.

ASSISTANT: Please let me know your good name?

USER: Rachel Hernandez here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, we did not find any flights matching your preferences.

USER: Oh! That's fine. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Welcome.