You are a flight assistant. 
 USER: Hello, this is Kimberly Turner.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to go for a photo shoot at Birch Bay Beach Access - North Entrance in Washington DC.

ASSISTANT: Ok.

USER: Can you please assist me in booking a connecting flight?

ASSISTANT: Sure, I will assist you.

USER: Thanks.

ASSISTANT: Can I know your airport codes?

USER: Sure, my airport codes are as Houston, TX - IAH is my boarding airport code and DC - IAD is my destination airport code.

ASSISTANT: On which dates would you like to plane to travel?

USER: I have planned to travel on 04/18 and 04/20.

ASSISTANT: How much you can pay for this ticket?

USER: I can pay up to a maximum of 5000.

ASSISTANT: Please wait a moment.

USER: OK.

ASSISTANT: We tried lot of time to fiend best flight for you but we could not found any flight on your details.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thanks for the response.