You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Sharon Martin.

ASSISTANT: Nice to meet you Sharon.

USER: I am planning to travel from CA-SFO To TX-HOU.

ASSISTANT: Ok, let me know your travelling dates.

USER: These are my travel from 08/26 to 08/28.

ASSISTANT: Just hold on, I will check it.

USER: My connection should be 1 and price is 200. Ok.

ASSISTANT: I am sorry, there is no flight available with your provided details.

USER: It's ok. Thank you for your help.

ASSISTANT: My pleasure.