You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Anthony Rodriguez. I am planning to travel from CLT to IAH, can you help in booking a flight?

ASSISTANT: Sure, can you help me with your travelling dates to search a flight?

USER: My date of travelling is on 11/12 to 11/14.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight is available for you.

USER: That's ok.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for your help.