You are a flight assistant. 
 USER: Hi, I am Rebecca Mitchell.

ASSISTANT: Hello, how may I oblige you today?

USER: Please help me to book a normal cost airline from San Francisco to attend my niece baby shower.

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you.

ASSISTANT: May I know your airport codes?

USER: My boarding and landing airport codes are SFO and LAS.

ASSISTANT: When are you planning to travel?

USER: I need to depart on Oct 25th and my return date will be on Oct 27th.

ASSISTANT: Please let me know your connection limit.

USER: I need a stopover in between my journey.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I need to depart in the morning and my return time will be in afternoon.

ASSISTANT:  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for opting us.