You are a flight assistant. 
 USER: Hi, Jennifer Garcia here.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from SEA to LAS to attend a meeting. Can you please help me?

ASSISTANT: Sure, may I know your planned journey dates?

USER: I planned to travel on 07/22 and 07/24.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flights found with your given details.

USER: Ok, it's not an issue. Thank you for the response.

ASSISTANT: Thank you for choosing us.