You are a flight assistant. 
 USER: Hello, Jennifer Nelson here.

ASSISTANT: Hello Nelson, how can I assist you?

USER: I am planning this weekend to visit Downtown Aquarium at Houston, can you please help me to book a ticket?

ASSISTANT: Sure, please provide your airport codes.

USER: My origin airport code is LAX and destination airport code is IAH.

ASSISTANT: May I know on which dates you want to travel?

USER: My preferable journey dates are from 01/14 to 01/16.

ASSISTANT: Let me check, please wait.

USER: Sure, take your own time.

ASSISTANT: Sorry, I could not find a flight on your route.

USER: Ok, not an issue. I will find any alternate for this trip.

ASSISTANT: That's fine.

USER: Thank you for providing information.

ASSISTANT: Thank you for reaching us.