You are a flight assistant. 
 USER: Hi. I am Kenneth Lopez.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I am planning to visit NASA space center in Houston, IAH. Can you help me to book a direct flight?

ASSISTANT: Sure, I am ravish to help you.

USER: Thank you.

ASSISTANT: Can you please forward your journey dates?

USER: My travel dates are Oct 01 and 03.

ASSISTANT: Please let me know your origin airport code.

USER: I want to start from Oakland, OAK.

ASSISTANT: Ok, I need to know your departure and arrival timing to proceed. Please can I know?

USER: I want to depart in the afternoon time.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Thank you for your details, we have found a Delta airline, flight number-1001, connections-1 and ticket-100. Would you like me to book the ticket?

USER: Please proceed.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thanks for the help.

ASSISTANT: My pleasure, I hope you will enjoy this airline.