You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you help me with booking ticket with single connection?

ASSISTANT: Sure, I am perky to help you. Please provide your travelling dates.

USER: Ok, my trip dates are form June 27 to 29.

ASSISTANT: Kindly mention your respective airport codes.

USER: Sure, my airport codes are from LAS to SFO.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, I am Ronald Garcia.

ASSISTANT: Flight-1003 having single connection is available in Southwest Airlines and the ticket costs you 100 only in economy class. Flight departs at 21:00 hours and arrives at 6:00 hours. Shall I book the ticket for you?

USER: Yes, please.

ASSISTANT: Ok, your ticket is reserved successfully.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.