You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me book a flight ticket from New York to Seattle to participate in a fun fair?

ASSISTANT: Ok, I can help you. Please provide your travel dates?

USER: My dates of travel are 11/28 and 11/30.

ASSISTANT: I need your airport codes to search a flight for you?

USER: I need to reach SEA from JFK.

ASSISTANT: How much budget you can spend?

USER: I can afford up-to 5000.

ASSISTANT: May I know your name?

USER: Sure, Melissa Rodriguez is my name.

ASSISTANT: Sorry, no flights will run on those dates to that locations.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for reaching us, hope to serve you better next time.