You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jack Robinson here.

ASSISTANT: How can I aid you?

USER: I have to attend for an meeting in CLT. Can you please help me to book a flight from HOU?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, I want to travel on Feb 3 and need to return on Feb 5.

ASSISTANT: Do you have any connection limit?

USER: No, I need a direct flight.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: Yes, my return time must be in the afternoon.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you.