You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Margaret Miller, this is the first time I am going to book a flight ticket for my journey as my grand children are in a busy work. But I am very tensed to make my flight ticket booking. Can you please make this favour for me?

ASSISTANT: Sure, I will help you with that but I need your travel dates to search best flight for you.

USER: I would like to travel on 07/16 from my current location and I will be return on 07/18.

ASSISTANT: Can you share your journey airport codes to search flight easily?

USER: My source and destination airport codes are BOS and ATL.

ASSISTANT: Please wait for a minute Miller.

USER: Sure, take your time.

ASSISTANT: Sorry Miller, I could not find any flight with your travel dates.

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

ASSISTANT: My pleasure, have a great day ahead.