You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Sharon Campbell here.

ASSISTANT: How can I help you?

USER: I want to book a flight from SFO - MCO, can you help me?

ASSISTANT: Ok, may I know your travelling dates?

USER: Ok, my travelling dates will be from 07/25 to 07/27.

ASSISTANT: Oj, give me a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight is available for you on your requested dates.

USER: Ok, no issues with it.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.