You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I am Eric Hernandez. I am planning to conduct a seminar on social issues in my college at San Francisco. Can you help me in my booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your travelling dates?

USER: I will start my journey on 08/22. I will return on 08/24.

ASSISTANT: Kindly share your source code and destination code.

USER: My source airport code is PA - PHL. My destination is CA - SFO.

ASSISTANT: Please wait for a minute, I will get back to you.

USER: Sure.

ASSISTANT: Frontier airline provides a flight with number 1000, and the cost of the ticket is 100.

USER: Proceed with my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for availing us.