You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Amy Lewis here, I am planning to attend a live concert at Houston. Could you please assist me in booking my flight ticket?

ASSISTANT: I am here to help you with that. Can you please provide your planned dates of journey?

USER: My journey dates are from 08/30 to 09/01.

ASSISTANT: Can you please provide your respective airport codes of journey?

USER: Sure, my departure and destination airport codes are IAD and HOU.

ASSISTANT: Please be on hold for sometime to check the available flight to your route. I have found a flight with 0 connecting flight having a ticket fare of 300 which is provided by Hawaiian airlines. Shall I proceed with the booking?

USER:  I can afford only 200. Can you please for this price?

ASSISTANT: We regret to say this Amy, there are no flights which travels to your region with such a price limit.

USER: Not a big problem, anyway thank you very much for you kind service.

ASSISTANT: You are welcome, thank you for reaching out here.