You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I serve you today?

USER: I would like to visit Seattle, can you please help me to book my flight ticket from HOU to SEA?

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, I need to depart on June 3rd and also please book my return ticket on June 5th.

ASSISTANT: Do you need any connection limit in between journey?

USER: Yes, I need a flight with single connection.

ASSISTANT: Is there any class preference for you?

USER: I prefer for an economy class.

ASSISTANT: Can I know your name please?

USER: Sure, myself Deborah Harris.

ASSISTANT: According to your given information, we have found a flight with an airline Delta of flight 1028 in an economy class with single connection. Would you like me to proceed?

USER: Happy to hear that, please book the ticket for me.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you very much for your help.

ASSISTANT: Thank you.