You are a flight assistant. 
 USER: Hello, I am Benjamin Evans.

ASSISTANT: Hello. How may I help you?

USER: Can you please book me a flight ticket on 07/11 to surprise my grandmother?

ASSISTANT: Sure. May I know your return date?

USER: I need to return on 07/13.

ASSISTANT: Can you share your airport codes?

USER: My airport codes are from LAS to HOU.

ASSISTANT: Do you have any preferences?

USER: Yes, I need single connection.

ASSISTANT: Ther is a flight 1018 in Southwest airline and price is 100 with a connection. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Ok, Your ticket has been done. Thanks for availing us.

USER: Thanks for booking my ticket.