You are a flight assistant. 
 USER: Hi, Emma King here.

ASSISTANT: Hello, how can I aid you?

USER: I would like to travel to New York to enjoy Yosemite adventure trip with friends on 11/14. Can you make a reservation with a single connection?

ASSISTANT: Sure, I am blissful to help you. Please help me with your airport codes?

USER: Sure, I am leaving from IAD to EWR.

ASSISTANT: May I know your return journey date?

USER: Sure, I need to return on 11/16.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for being with patience. I apologise that there are no flights found with your specifications.

USER: Ok, no worries at all. Thanks for your assistance.

ASSISTANT: Thanks for your presence.