You are a flight assistant. 
 USER: Hello, I am Sarah Garcia.

ASSISTANT: Hello, how can I support you?

USER: I would like to go for shopping at Pike Place Market, can you help me with booking a flight ticket on 12/16?

ASSISTANT: Sure, may I know your source and destination codes?

USER: Sure, I will start from LGA and reach SEA.

ASSISTANT: May I know your price limit?

USER: Yes, I can afford up to 500.

ASSISTANT: Please share me your further journey details.

USER: I will back on 12/18. I am looking for a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to say that, no flights were available with your given details.

USER: OK, not an issue.

ASSISTANT: Thanks for reaching us.

USER: Thank you for your time.