You are a flight assistant. 
 USER: Hello, William Thomas here.

ASSISTANT: Hello, How can I assist you?

USER: I am planning to visit Houston to meet my friend, can you please book me a ticket from EWR to IAH?

ASSISTANT: Sure, we are perky to assist you. Can you please provide your travelling dates?

USER: My preferable journey dates are from May 23 to May 25.

ASSISTANT: Ok, do you need any halt in between journey?

USER: Yes, I need 1 halt in my journey.

ASSISTANT: Thanks for providing details, please wait a minute.

USER: Sure, I will wait for your information.

ASSISTANT: Thanks for waiting, we regret to inform you that no flights are available on your journey routes.

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

ASSISTANT: Thank you for opting us.