You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Rachel Hernandez is here.

ASSISTANT: Rachel Hernandez, I am glad you have contacted us. How can I help you?

USER: I am planning to celebrate the food festival with my parents in PHX, will you please aid me in making an airline reservation from OAK?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: I would like to depart on May 30th and return on June 1st.

ASSISTANT: Do you need a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please help me with your preferred airlines to fly.

USER: I will prefer to travel with normal-cost airline.

ASSISTANT: May I know if you have any other preferences in your journey?

USER: The return time should be evening.

ASSISTANT: Rachel Hernandez, do you have any other preferences in your journey?

USER: No.

ASSISTANT: I am really sorry to inform you that there are no active flights available for your journey.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us. Have a great time.