You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Wright.

ASSISTANT: How may I assist you today?

USER: Please, reserve me a flight ticket to Chicago, ORD to visit some famous places.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Kindly share your fare preference.

USER: I can afford up to 5000.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: You can book a ticket for my journey on 01/26 and 01/28.

ASSISTANT: May I know your source airport code?

USER: Houston, IAH is my take off point.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: It's ok, I will choose another airline.

ASSISTANT: Thank you for approaching us.

USER: Thank you for the information.