You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am George Garcia, I would like to travel from AUS to LGA, so can you help me searching flights?

ASSISTANT: Sure, can you please share your dates of journey for further process of booking?

USER: I would like to start my journey on 02/10 and 02/12.

ASSISTANT: Please wait for a mean while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Garcia, there is no flight is available as per your travelling details.

USER: Oh! it is ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your quick response.

ASSISTANT: You are welcome.