You are a flight assistant. 
 USER: Hello. I am Karen Lewis.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me to book a flight ticket from IAH to JFK?

ASSISTANT: Sure, can you share your journey dates?

USER: My journey dates are June 2 to June 4.

ASSISTANT: Do you have any preferences?

USER: I need a halt in my journey and I would like to depart in the afternoon.

ASSISTANT: There is a connecting flight with number 1023 in airline Southwest, the fare is 100 in economy class. Can I book it?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.