You are a flight assistant. 
 USER: Hello. I am Helen Roberts.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As I am a narrator, I am planning to attend for storytelling festival at Las Vegas, LAS.

ASSISTANT: Ok.

USER: Can you help me in booking a flight ticket with price 200?

ASSISTANT: Sure, I am ravish to help you.

USER: Thank you.

ASSISTANT: Let me know, from where you want to board?

USER: I prefer to board from my nearest airport Houston, IAH.

ASSISTANT: Can I know your planned journey dates?

USER: I will travel on 05/26 and return on 05/28.

ASSISTANT: Do you have any specifications?

USER: Price should not exceed 200. I need a lay by in between my journey.

ASSISTANT: Thank you for sharing your details, please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your time, there is a flight available with Frontier airline, flight number 1005 with fare 100 and a lay by. Shall I proceed to book?

USER: You can confirm my ticket with this flight.

ASSISTANT: Your reservation has been successfully processed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for contacting us.