You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Angela White. I want to book a ticket from LAS to SEA, can you help me?

ASSISTANT: Sure, can you share your trip dates?

USER: My journey dates are May 26 and May 28.

ASSISTANT: Do you have any preferences?

USER: I want to return in the morning time.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no flight in the morning on your given dates.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.