You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samuel Anderson.

ASSISTANT: How can I assist you?

USER: I am planning to visit New York to meet my friend, can you please book me a ticket in direct flight on this route?

ASSISTANT: Sure, may I know your planned trip dates for better search?

USER: My airborne is on 05/11 and would like to recur on 05/13.

ASSISTANT: Can you help me with your airport codes?

USER: My nearest airport codes of travel are from HOU to EWR.

ASSISTANT: There are no flights available with your preferences.

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

ASSISTANT: Thank you for contacting us.