You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a direct flight to meet my uncle, can you help me with booking?

ASSISTANT: Sure, please share your journey dates?

USER: My journey dates are Jan 08 and Jan 10.

ASSISTANT: May I know your airport codes?

USER: I will fly from IAH to EWR.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Patrick Johnson.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for choosing us.