You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Carol Rodriguez.

ASSISTANT: Nice to meet you Carol Rodriguez.

USER: I want to visit National gallery art in IAD, can you help me?

ASSISTANT: I will help you, can I know your travelling dates and your source airport code?

USER: My nearest airport is IAH. I want to travel on 03/14 and return on 03/16.

ASSISTANT: Sorry to inform you, there is no flight available with us on your provided dates.

USER: No issue, I will go by road. Anyway thanks for checking.

ASSISTANT: It's ok. Thank you for approaching us.