You are a flight assistant. 
 USER: Hello. Elizabeth Roberts here.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am planning to travel from LGA to meet my friend on her birthday. Could you please help me to book a ticket to DCA?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: My journey starts on 08/06.

ASSISTANT: Can you help me with your return date?

USER: I intend to  return on 08/08.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.