You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I like to book my flight ticket. can you help me in this?

ASSISTANT: Sure, can I have the details of your travelling locations please?

USER: That's most beautiful place, Houston HOU. I like to go here from Las Vegas LAS.

ASSISTANT: Its nice, can I have your name please?

USER: Samuel Johnson here.

ASSISTANT: could you share me your planning dates for the vacation please?

USER: 07/24 to 07/26. I want direct flight, no connections.

ASSISTANT: One flight is available but there is 1 connection of flight.

USER: OK. Then please don't proceed this.

ASSISTANT: OK, sorry for the inconvenience.

USER: It's OK.

ASSISTANT: Have a great day, thank you.

USER: Thank you.