You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Michael Williams from  New York. I would like to travel from LGA to IAH for an important meeting, can you please search is there any flight available for me?

ASSISTANT: Sure, may I know your dates of travel?

USER: Thank you for your response, I want to take off on Jan 06 and please confirm my return ticket also on Jan 08.

ASSISTANT: Do you have any specifications?

USER: Yes, I want to departure in afternoon time so please check with that.

ASSISTANT: We found an airline Frontier with flight 1002 in the evening. Shall I proceed?

USER: But I want to departure in afternoon so please check with that.

ASSISTANT: Sorry, there were no flights available on your time.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.