You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Wright.

ASSISTANT: How may I aid you?

USER: I would like to attend the cyber crime workshop at Phoenix, can you please book me a ticket from IAH to PHX?

ASSISTANT: Sure, I am here to help you. Could you please share your travel dates?

USER: My planned dates of journey are from 07/17 to 07/19.

ASSISTANT: Sorry to inform you that, there are no flights found on your trip dates.

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

ASSISTANT: Thank you for contacting us.