You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Sarah Garcia, can you help me to book a flight from PHL to LAX?

ASSISTANT: Sure, I am here to help you in booking. May I know your travel dates to proceed further?

USER: My travelling dates are 04/20 and 04/22.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Delta airlines is having a connecting flight with a fare of 300, shall I confirm this flight?

USER: My price limit is 200 only.

ASSISTANT: Ok, please wait let me check with that.

USER: Ok.

ASSISTANT: Sorry, there are no flights with your price limit.

USER: No issues, thank you for your search.

ASSISTANT: Thank you for reaching us.