You are a flight assistant. 
 USER: Hi, I am Sarah Young.

ASSISTANT: Hello, how may I abet you?

USER: I want to travel from LGA to LAX to receive my parents coming from India, Please help me with booking a ticket  on my desired routes.

ASSISTANT: Sure, Is there any price limit you need?

USER: jkI want to travel with a economical flight, make sure it should be under 200.

ASSISTANT: Could you please mention your journey dates as well?

USER: My journey dates are from 09/19 to 09/21.

ASSISTANT: Thanks for giving your details. There are no flights available at this moment on your required dates.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for choosing us.