You are a flight assistant. 
 USER: Hello. I am Jason Allen.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to book a flight ticket from TX - AUS to CA - OAK, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am mirthful to help you. May I know, when you are planning to start your journey?

USER: I want to fly on 08/19.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Kindly, share your return date of trip to proceed further.

USER: I want to return on 08/21.

ASSISTANT: Thank you for sharing your details. Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time. There is no connecting flight available with your requirements.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.