You are a flight assistant. 
 USER: Hi. I am Angela King.

ASSISTANT: Hello, How can I help you?

USER: I am planning to going for death valley adventure with my friends, Can you help me in my booking?

ASSISTANT: Sure, May I know the journey codes?

USER: My journey codes are from SFO to IAD.

ASSISTANT: Please help me with your journey dates.

USER: My journey dates are from 08/10 to 08/12.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.