You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. May I know your good name?

USER: My name is Ashley Walker.

ASSISTANT: How can I provide service to you Ashley Walker?

USER: Please book a flight from Washington, DC-IAD to Los Angeles, CA-LAX, for flower festival.

ASSISTANT: Ok, may I know on which dates you are planning to travel?

USER: Depart by 06/17 and return on 06/19.

ASSISTANT: Along with that if you have any other specifications, please mention.

USER: Price limit is 500. Connections limit is 1.

ASSISTANT: We hardly tried to provide you flights unfortunately, there is no flights a that locations.

USER: Thanks.

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