You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I am planning to attend music concert at IAH, can you please help me with booking a flight ticket from LAX?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to take off on Feb 3 and return on Feb 5.

ASSISTANT: Please share me your name.

USER: My name is Jonathan Nelson.

ASSISTANT: Do you have any specifications?

USER: I would like to depart during afternoon time and return during morning time.

ASSISTANT: Sorry, there is no flight at this moment.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you.

USER: You are welcome.