You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Rebecca Edwards.

ASSISTANT: How can I help you today?

USER: I want to book a flight ticket to take a part in food festival at WA-SEA. Can you help me?

ASSISTANT: Sure, we are mirthful to aid you. On which date you want to start your trip?

USER: I would like to start on 07/28.

ASSISTANT: Kindly, share your nearest airport to board.

USER: MN-MSP will be my source airport code.

ASSISTANT: Can you mention what is the budget for your trip?

USER: 5000 is my fare.

ASSISTANT: Help me with your return date.

USER: 07/30 will be my return.

ASSISTANT: Thanks for sharing your details. Unfortunately, there is no flight found to your route with your specified dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for availing us.