You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Joseph Gonzalez.

ASSISTANT: How can I aid you?

USER: I want to book a flight ticket to visit Warner theater, can you assist me with booking a flight ticket with a connection?

ASSISTANT: Sure, can I know your journey dates please?

USER: Yes, I will depart on 09/19 and return back on 09/21.

ASSISTANT: How much you can afford for a flight ticket?

USER: I can afford up to 1000.

ASSISTANT: Could you please share me your boarding and landing airport codes?

USER: Sure, I will board from SEA and land at IAD.

ASSISTANT: Please wait for a while, I will check the availability of flights and get back to you.

USER: Ok, take your time.

ASSISTANT: Thanks for your time, there were no flights found with your given details.

USER: No issues, thank you.

ASSISTANT: Thanks for contacting us.