You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Sarah Robinson.

ASSISTANT: Yes Sarah.

USER: I have planned a small hangout trip with my friends, can you help me with booking a ticket from DCA to LAX?

ASSISTANT: Sure, when you are going to start your trip?

USER: There are my trip dates 04/23 to 04/25. Make sure my connection limit is 0.

ASSISTANT: Hawaiian airline with connection 1 is available for hangout trip. Sorry, no flights with 0 connections.

USER: That's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.

ASSISTANT: It's my pleasure.