You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to attend a seminar at Houston, please help me in booking a ticket from LAS to HOU.

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Could you please share your travelling dates?

USER: My planned travel dates are 07/26 and 07/28.

ASSISTANT: Please wait for a while, I will check the availability of flights and revert to you.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, there is a flight available in Delta airline, flight number 1018 having fare 100 and a lay by. Can I proceed to book?

USER: Ok, please book the ticket with the name Rebecca Harris.

ASSISTANT: Your reservation has been processed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.