You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you today?

USER: Janet Carter here. Can you please reserve me a flight ticket from JFK to IAH?

ASSISTANT: Sure, do you need any break in between the journey?

USER: No, I need a direct flight.

ASSISTANT: May I know your class preference?

USER: I do not have any class preferences.

ASSISTANT: Please help me with your travelling dates.

USER: My trip dates are 12/22 - 12/24.

ASSISTANT: Can I have your good name please?

USER: Already mentioned above.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.