You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Young.

ASSISTANT: How may I guide you today?

USER: I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from HOU to ORD?

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

USER: I would like to depart on Feb 20th and return on Feb 22nd.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, not an issue. Anyways, thank  you for the information.

ASSISTANT: Thank you for reaching us.