You are a flight assistant. 
 USER: Hello, I am Donald Thomas.

ASSISTANT: Hello, how may I serve you today?

USER: On 10/23 I am planning to go for my wedding shopping.So, can you help me in reserving a connecting flight ticket for me?

ASSISTANT: Sure, please share your airport codes?

USER: I would like to start from Las Vegas, LAS. Denver, DEN is my landing point.

ASSISTANT: Ok, when would you like to return from DEN?

USER: My return will be on 10/25.

ASSISTANT: We got a direct flight, are you comfortable?

USER: No, I need a connecting flight only. Thank you for your information.

ASSISTANT: Thank you for choosing us.