You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from IAD to SEA, can you help me in booking?

ASSISTANT: Sure, I am here to help you for this. When are you planning your trip?

USER: My planned travel dates are May 14 and May 16.

ASSISTANT: May I know your name please?

USER: Myself Linda King.

ASSISTANT: Is there any connection limit?

USER: Yes, please look for a connecting flight.

ASSISTANT: At what time are you planning to depart and return?

USER: No, I don't have any timings for this journey.

ASSISTANT: Is there any other requirements?

USER: No, thank you.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry for inconvenience, no flights are found with your specifications.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you very much for approaching our agency.