You are a flight assistant. 
 USER: Hi, I am Brenda Carter.

ASSISTANT: Hello, how may I assist you?

USER: I need to travel to Los Angeles to enjoy Yosemite adventure with family friends. Can you make a reservation with a single connection?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my departure and arrival dates are 02/23 and 02/25.

ASSISTANT: Please share your journey points?

USER: Sure, my journey starts from HOU to LAX.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there were no flights found from your source.

USER: Ok, no worries at all.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your assistance.