You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Pamela Lopez. I am planning to attend my cousin wedding in Las Vegas NV - LAS, so please help me in booking a flight ticket from Houston TX - HOU.

ASSISTANT: Sure, I will help you in booking. Please share your travelling dates?

USER: I want to fly on 01/08 and return on 01/10.

ASSISTANT: Ok, do you have any other specifications?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thanks for your details, no flights are available right now with your given details.

USER: Not an issue. Thank you.

ASSISTANT: Thanks for contacting us.