You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, Good morning.

USER: I am Pamela Gonzalez.

ASSISTANT: How can I assist you Pamela?

USER: Can you help me to book a flight from LAS?

ASSISTANT: Sure.

USER: I am planning to fly on 09/14 and 09/16.

ASSISTANT: Please share your destination airport code.

USER: Sure. My destination is IAD.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, no flight available for you as per your details.

USER: Oh! that's fine. I will contact with other agency. Thank you for your help.

ASSISTANT: You are welcome.