You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Help me in booking a ticket with the name of Cynthia Young under the price limit of 200.

ASSISTANT: Sure, I am perky to help you. Could you please share your airport codes?

USER: I have to fly from Houston, IAH to reach the San Francisco, SFO.

ASSISTANT: On which dates you want me to book a flight ticket for you?

USER: We friends are planning a tour on  09/08. After completion of tour, I will return on 09/10.

ASSISTANT: Thanks for your details, we found a Spirit airline with flight 1025 and fare 100 having a lay by. Shall I go with booking?

USER: Please confirm it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.