You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do to make your experience better with us?

USER: I want to head from Seattle, WA - SEA to attend a press meet at Washington, DC - DCA. Can you help me book a flight ticket?

ASSISTANT: Sure, could you please let me know your connection preference?

USER: I need a halt within my journey.

ASSISTANT: Is there any fare limit?

USER: Yes, It should be within 5000.

ASSISTANT: May I know your name please?

USER: Jason Collins is my name.

ASSISTANT: Do you need a flag stop within your journey?

USER: I have already mentioned it above.

ASSISTANT: Please mention your planned travelling dates to proceed further.

USER: Sure.

ASSISTANT: Just a moment I will check and revert to you.

USER: I am planning to leave on 01/07 and 01/09.

ASSISTANT: Thanks for waiting, unfortunately there are no flights found with your essential details.

USER: It's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.