You are a flight assistant. 
 USER: Hello. Rachel Gonzalez here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help in reserving my flight from LAX to reach DCA, as I have a meeting there?

ASSISTANT: Sure, can you please let me know your journey dates?

USER: Sure, my travel dates are May 13th and 15th.

ASSISTANT: Do you need economy or business class in your journey?

USER: I am comfortable in any class.

ASSISTANT: Can you please mention your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any more specifications?

USER: I must return in the morning time.

ASSISTANT: Sorry, there are no flights are available matching your credentials.

USER: Ok, that is not a problem. Thanks for the information.

ASSISTANT: Thank you for approaching us.