You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Jeffrey Clark. I need a direct flight in my journey, can you book a ticket for me?

ASSISTANT: Sure, Kindly mention your travel dates?

USER: I would like to go to Water wall with my friends, my journey dates are from 01/02 to 01/04.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from LAX to IAH.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flight found with your requirement.

USER: Not an issue.

ASSISTANT: Thanks for reaching us, have a good day.

USER: Thank you.