You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please avail me a flight ticket from DCA to SEA?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly share your travel dates.

USER: My trip dates are 05/26 - 05/28.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Is there any other specifications?

USER: My depart time should be in the morning.

ASSISTANT: Please share your name.

USER: Stephen Adams here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Not a problem, thank you.

ASSISTANT: Thanks for reaching us.