You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am planning to meet my friend in Houston, IAH. Could you please help me with booking a flight ticket from JFK?

ASSISTANT: Sure, I am ravish to help you. On which dates would you like me to book a flight ticket for you?

USER: I would like to start my journey on May 30 and return back to my home town on June 01.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: I prefer to travel in economy class.

ASSISTANT: Do you prefer any way station in between journey?

USER: No, I need a direct flight in my journey.

ASSISTANT: Is there any other specifications regarding your journey?

USER: Yes, I would like to depart in the afternoon time.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Cynthia Davis.

ASSISTANT: Thanks for your details, there are no flights available at this moment matching your particulars.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thanks for contacting with us. Have a nice day.