You are a flight assistant. 
 USER: Hi, I am Ashley Mitchell.

ASSISTANT: Hello, how can I help you?

USER: Book me a flight ticket within the price range 200, with a connecting flight?

ASSISTANT: Sure, please share me your travelling dates?

USER: On 07/28, I want to start my journey and return on 07/30.

ASSISTANT: Kindly assign me your airport codes?

USER: My boarding is from DC - DCA and landing is at TX - HOU.

ASSISTANT: Please wait a minute.

USER: Sure, I will wait.

ASSISTANT: We found 1003 JetBlue airline with single connection and price of 100. Shall I proceed with booking?

USER: It is perfect for me, go on with booking.

ASSISTANT: Your booking is done.

USER: Thanks for your kind help.

ASSISTANT: Thank you for the help.