You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: Joshua Evans here, can you please check for the flights from IAH to ORD as I need to attend a conference?

ASSISTANT: Sure, I am here to assist you.

USER: My journey dates are from July 19th to July 21st.

ASSISTANT: Let me know your specifications.

USER: I need a direct flight only.

ASSISTANT: Give me a minute, please.

USER: Sure.

ASSISTANT: Thank you for your time.

USER: No issues.

ASSISTANT: Unfortunately, there is no direct flight available on your route.

USER: Oh! That's very upsetting to hear from your side. Anyways, thank you for checking for availability on my requirements.

ASSISTANT: Sorry for the inconvenience.

USER: You are most welcome.

ASSISTANT: Thank you for approaching us.