You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Samuel Martin here. Do you have any flight from DFW to meet my friend who was staying in HOU?

ASSISTANT: Ok, let me know your travel dates too.

USER: My travel dates are 10/24 and 10/26.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait for your reply.

ASSISTANT: Thanks for your time, there is no flight available for you.

USER: That's fine, thanks for your information.

ASSISTANT: Thanks for contacting us.