You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Anna Turner. I would like to do Yosemite Adventure with my friends at Las Vegas. Can you help me in booking?

ASSISTANT: Sure, we are here to help you. Please provide your dates of travelling?

USER: Ok, my journey dates are from 05/13 to 05/15.

ASSISTANT: Do you have a stopover in your journey?

USER: I need a 1 halt in my journey.

ASSISTANT: Please share your travelling points?

USER: My airport codes are from SEA to LAS. My price limit should not exceed 200 for this journey.

ASSISTANT: Ok, Please wait, I will check and let you know the flight details.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, sorry to notify you that no connecting flights available from your source.

USER: Not an issue. Thank you for quick response.

ASSISTANT: Thank you for connecting us.