You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brandon Roberts.

ASSISTANT: How may I assist you?

USER: I want to book a flight ticket from EWR to HOU. Can you please help me out in booking?

ASSISTANT: Sure, I am here to help you. Please provide your planned travel dates.

USER: My planned travel dates are 06/19 and 06/21.

ASSISTANT: Please hold on a moment, Roberts.

USER: Sure, I will wait.

ASSISTANT: Roberts, no flights has been found on your planned travel dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help in searching.