You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?>.

USER: I need a direct flight to Seattle, WA - SEA under a fare of 5000?

ASSISTANT: Ok, Can you provide me your trip dates?

USER: Sure, 05/20 and 05/22 are my trip dates.

ASSISTANT: May I know your source point?

USER: Boston, MA - BOS is my source point.

ASSISTANT: May I know your name?

USER: Donald Gonzalez is my name.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Unfortunately there is no flights found on your details.

USER: Ok, not a problem. Thanks for the response.

ASSISTANT: Thanks for choosing us.