You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What help do you require from our travel agency?

USER: I want to book a direct flight to Seattle, can you help me?

ASSISTANT: Yes, I am here to help you with that. Can I have your travel dates?

USER: My travel dates are 07/03 and 07/05.

ASSISTANT: Ok, may I know your good name please?

USER: Joseph Walker here.

ASSISTANT: Ok, what are your source and destination airport codes?

USER: My airport codes are from SEA to SEA.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Joseph Walker, there is no direct flights available in this route on the dates you have mentioned.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome. Thank you for reaching us. Have a nice day.